Which bank has the most decrease in available-for-sale securities? Draw a graph that shows the trend over the sample period. Why did this bank experience the decrease in available-for-sale securities? Find sources that support your answer from financial statements, news articles, and other sources. Provide links to your sources. Which bank has the most increase in held-to-maturity securities? Draw a graph that shows the trend over the sample period. Why did this bank experience the increase in held-to-maturity securities? Find sources that support your answer from financial statements, news articles, and other sources. Provide links to your sources.

A B D E F G H j cik name 0000028412 COMERICA INC/NEW/ 0000028412 COMERICA INC/NEW/ 0000028412 COMERICA INC/NEW/ 0000028412 COMERICA INC/NEW/ 0000028412 COMERICA INC/NEW/ 0000028412 COMERICA INC/NEW/ date tag 12/31/15 Assets 12/31/16 Assets 12/31/17 Assets 12/31/18 Assets 12/31/19 Assets 12/31/20 Assets Assets_mn tag 71877 Available For Sale Securities 72978 Available For Sale Securities 71567 AvailableForSale Securities 70818 Available For Sale Securities 73402 Available For Sale Securities 88129 Available For Sale Securities AFS_mn tag 10519 HeldToMaturity Securities 10787 HeldToMaturity Securities 10938 HeldToMaturity Securities 12045 HeldToMaturity Securities 12398 HeldToMaturity Securities 15028 HeldToMaturity Securities HTM_mn AFS/Assets HTM/Assets 1981 0.14634723 0.02756097 1582 0.147811671 0.02167777 1266 0.1528358 0.01768972 0 0.17008388 0 0 #N/A 0.16890548 0 0 #N/A 0.17052276 0 0000091576 KEYCORP /NEW/ 0000091576 KEYCORP/NEW/ 0000091576 KEYCORP /NEW/ 0000091576 KEYCORP /NEW/ 0000091576 KEYCORP /NEW/ 0000091576 KEYCORP /NEW/ 12/31/15 Assets 12/31/16 Assets 12/31/17 Assets 12/31/18 Assets 12/31/19 Assets 12/31/20 Assets 95131 Available For Sale Securities 136453 Available For Sale Securities 137698 Available For Sale Securities 139613 AvailableForSale Securities DebtSecurities 144988 Available For Sale Securities Debt Securities 170336 Available For Sale Securities Debt Securities 14218 HeldToMaturity Securities 20212 HeldToMaturity Securities 18139 HeldToMaturity Securities 19428 HeldToMaturity Securities 21843 HeldToMaturity Securities 27556 HeldToMaturity Securities 4897 0.14945706 0.05147639 10232 0.14812426 0.07498553 11830 0.13173031 0.08591265 11519 0.1391561 0.08250664 10067 0.15065385 0.06943333 7595 0.16177438 0.04458834 0000920112 HEARTLAND FINANCIAL USAINC 0000920112 HEARTLAND FINANCIAL USA INC 0000920112 HEARTLAND FINANCIAL USA INC 0000920112 HEARTLAND FINANCIAL USA INC 0000920112 HEARTLAND FINANCIAL USA INC 0000920112 HEARTLAND FINANCIAL USA INC 12/31/15 Assets 12/31/16 Assets 12/31/17 Assets 12/31/18 Assets 12/31/19 Assets 12/31/20 Assets 7694.754 Available For Sale Securities 8247.079 Available For Sale Securities 9810.739 Available For Sale Securities 11408.006 Available For Sale Securities 13209.597 Available For Sale Securities Debt Securities 17908.339 Available For Sale Securities DebtSecurities 1578.434 HeldToMaturity Securities 1845.864 HeldToMaturity Securities 2216.753 HeldToMaturity Securities 2450.709 HeldToMaturity Securities 3294.361 HeldToMaturity Securities 6108.346 HeldToMaturity Securities 279.117 0.20513118 0.03627367 263.662 0.22382034 0.03197035 253.55 0.22595168 0.02584413 236.283 0.21482361 0.02071203 91.324 0.24939148 0.00691346 88.89 0.34108948 0.00496361 0001069157 EAST WEST BANCORP INC 0001069157 EAST WEST BANCORP INC 0001069157 EAST WEST BANCORP INC 0001069157 EAST WEST BANCORP INC 0001069157 EAST WEST BANCORP INC 0001069157 EAST WEST BANCORP INC 12/31/15 Assets 12/31/16 Assets 12/31/17 Assets 12/31/18 Assets 12/31/19 Assets 12/31/20 Assets 32350.922 Available For Sale Securities 34788.84 Available For Sale Securities 37150.249 Available For Sale Securities 41042.356 AvailableFor Sale Securities Debt Securities 44196.096 Available For Sale Securities DebtSecurities 52156.913 Available For Sale Securities Debt Securities 3773.226 HeldToMaturity Securities 3335.795 HeldToMaturity Securities 3016.752 HeldToMaturity Securities 2741.847 HeldToMaturity Securities 3317.214 HeldToMaturity Securities 5544.658 HeldToMaturity Securities 0 0.11663426 0 143.971 0.09588693 0.00413842 0 0.08120409 0 0 #N/A 0.0668053 0 #N/A 0.07505672 0 0 #N/A 0.10630725 0 7 0001281761 REGIONS FINANCIAL CORP 0001281761 REGIONS FINANCIAL CORP 0001281761 REGIONS FINANCIAL CORP 0001281761 REGIONS FINANCIAL CORP 0001281761 REGIONS FINANCIAL CORP 0001281761 REGIONS FINANCIAL CORP 12/31/15 Assets 12/31/16 Assets 12/31/17 Assets 12/31/18 Assets 12/31/19 Assets 12/31/20 Assets 126050 Available For Sale Securities 125968 Available For Sale Securities 124294 Available For Sale Securities 125688 Available For SaleSecurities DebtSecurities 126240 Available For Sale Securities Debt Securities 147389 AvailableForSale Securities Debt Securities 22710 HeldToMaturity Securities 23781 HeldToMaturity Securities 23628 HeldToMaturity Securities 22729 HeldToMaturity Securities 22606 HeldToMaturity Securities 27154 HeldToMaturity Securities 1946 0.1801666 0.01543832 1362 0.18878604 0.01081227 1658 0.19009767 0.01333934 1482 0.18083667 0.0117911 1332 0.17907161 0.01055133 1122 0.18423356 0.00761251 0000927628 CAPITAL ONE FINANCIAL CORP 0000927628 CAPITAL ONE FINANCIAL CORP 0000927628 CAPITAL ONE FINANCIAL CORP 0000927628 CAPITAL ONE FINANCIAL CORP 0000927628 CAPITAL ONE FINANCIAL CORP 0000927628 CAPITAL ONE FINANCIAL CORP 12/31/15 Assets 12/31/16 Assets 12/31/17 Assets 12/31/18 Assets 12/31/19 Assets 12/31/20 Assets 334048 Available For Sale Securities 357033 Available For Sale Securities 365693 AvailableForSale Securities 372538 AvailableForSale Securities DebtSecurities 390365 Available For Sale Securities DebtSecurities 421602 Available For Sale Securities DebtSecurities 39061 HeldToMaturity Securities 40737 HeldToMaturity Securities 37655 HeldToMaturity Securities 46150 HeldToMaturity Securities 79213 HeldToMaturity Securities 100445 HeldToMaturity Securities 24619 0.1169323 0.07369899 25712 0.1140987 0.07201575 28984 0.10296888 0.07925774 36771 0.12387998 0.09870402 0 0.20292034 0 #N/A 0.23824602 0 0000831001 CITIGROUP INC 0000831001 CITIGROUP INC 0000831001 CITIGROUP INC 0000831001 CITIGROUP INC 0000831001 CITIGROUP INC 0000831001 CITIGROUP INC 12/31/15 Assets 12/31/16 Assets 12/31/17 Assets 12/31/18 Assets 12/31/19 Assets 12/31/20 Assets 1731210 AvailableForSale Securities 1792077 AvailableForSale Securities 1842465 Available For Sale Securities 1917383 Available For Sale Securities DebtSecurities 1951158 AvailableForSaleSecurities Debt Securities 2260090 AvailableForSale Securities Debt Securities 299136 HeldToMaturity Securities 299424 HeldToMaturity Securities 290914 HeldToMaturity Securities 288038 HeldToMaturity Securities 280265 HeldToMaturity Securities 335084 HeldToMaturity Securities 36215 0.17279013 0.02091889 45667 0.16708211 0.02548272 53320 0.15789391 0.02893949 63357 0.15022455 0.03304348 80775 0.14364034 0.04139849 104943 0.14826135 0.04643311 0000776901 INDEPENDENT BANK CORP 0000776901 INDEPENDENT BANK CORP 0000776901 INDEPENDENT BANK CORP 0000776901 INDEPENDENT BANK CORP 0000776901 INDEPENDENT BANK CORP 0000776901 INDEPENDENT BANK CORP 12/31/15 Assets 12/31/16 Assets 12/31/17 Assets 12/31/18 Assets 12/31/19 Assets 12/31/20 Assets 7210.038 Available For Sale Securities 7709.375 Available For Sale Securities 8082.029 Available For Sale Securities 8851.592 AvailableForSale Securities Debt Securities 11395.165 Available For Sale Securities DebtSecurities 13204.301 AvailableFor Sale Securities Debt Securities 367.249 HeldToMaturity Securities 363.644 HeldToMaturity Securities 447.498 HeldToMaturity Securities 442.752 HekToMaturity Securities 426.424 HeldToMaturity Securities 412.86 HeldToMaturity Securities 477.507 0.05093579 0.06622808 487.076 0.04716906 0.0631797 497.688 0.05536951 0.06157959 611.49 0.05001948 0.06908249 740.806 0.03742149 0.06501055 724.512 0.03126708 0.05486939 0000759944 CITIZENS FINANCIAL GROUP INC/RI 0000759944 CITIZENS FINANCIAL GROUP INC/RI 0000759944 CITIZENS FINANCIAL GROUP INC/RI 0000759944 CITIZENS FINANCIAL GROUP INC/RI 0000759944 CITIZENS FINANCIAL GROUP INC/RI 0000759944 CITIZENS FINANCIAL GROUP INC/RI 12/31/15 Assets 12/31/16 Assets 12/31/17 Assets 12/31/18 Assets 12/31/19 Assets 12/31/20 Assets 138208 AvailableForSale Securities 149520 AvailableForSale Securities 152336 AvailableForSale Securities 160518 AvailableFor Sale Securities DebtSecurities 165733 Available For Sale Securities DebtSecurities 183349 Available For Sale Securities DebtSecurities 17884 HeldToMaturity Securities 19501 HeldToMaturity Securities 20157 HeldToMaturity Securities 19895 HeldToMaturity Securities 20613 HeldToMaturity Securities 22942 HeldToMaturity Securities 5258 0.12939917 0.03804411 5071 0.13042402 0.0339152 4685 0.13231935 0.03075439 4165 0.12394249 0.02594725 3202 0.12437475 0.01932023 3235 0.12512749 0.01764395 0000109380 ZIONS BANCORPORATION 0000109380 ZIONS BANCORPORATION 0000109380 ZIONS BANCORPORATION 0000109380 ZIONS BANCORPORATION 0000109380 ZIONS BANCORPORATION 0000109380 ZIONS BANCORPORATION 12/31/15 Assets 12/31/16 Assets 12/31/17 Assets 12/31/18 Assets 12/31/19 Assets 12/31/20 Assets 59669.525 Available For Sale Securities 63239.165 Available For Sale Securities 66288 AvailableForSale Securities 68746 AvailableFor Sale Securities 69172 AvailableForSale Securities 81479 AvailableForSale Securities DebtSecurities 7643.116 HeldToMaturity Securities 13372.194 HeldToMaturity Securities 15161 HeldToMaturity Securities 14737 HeldToMaturity Securities 13725 HeldToMaturity Securities 15731 HeldToMaturity Securities 545.648 0.12809078 0.0091445 867.904 0.21145431 0.01372415 770 0.2287141 0.01161598 #N/A 0.21436884 0 592 0.19841844 0.00855838 636 0.19306815 0.00780569 A B D E F G H j cik name 0000028412 COMERICA INC/NEW/ 0000028412 COMERICA INC/NEW/ 0000028412 COMERICA INC/NEW/ 0000028412 COMERICA INC/NEW/ 0000028412 COMERICA INC/NEW/ 0000028412 COMERICA INC/NEW/ date tag 12/31/15 Assets 12/31/16 Assets 12/31/17 Assets 12/31/18 Assets 12/31/19 Assets 12/31/20 Assets Assets_mn tag 71877 Available For Sale Securities 72978 Available For Sale Securities 71567 AvailableForSale Securities 70818 Available For Sale Securities 73402 Available For Sale Securities 88129 Available For Sale Securities AFS_mn tag 10519 HeldToMaturity Securities 10787 HeldToMaturity Securities 10938 HeldToMaturity Securities 12045 HeldToMaturity Securities 12398 HeldToMaturity Securities 15028 HeldToMaturity Securities HTM_mn AFS/Assets HTM/Assets 1981 0.14634723 0.02756097 1582 0.147811671 0.02167777 1266 0.1528358 0.01768972 0 0.17008388 0 0 #N/A 0.16890548 0 0 #N/A 0.17052276 0 0000091576 KEYCORP /NEW/ 0000091576 KEYCORP/NEW/ 0000091576 KEYCORP /NEW/ 0000091576 KEYCORP /NEW/ 0000091576 KEYCORP /NEW/ 0000091576 KEYCORP /NEW/ 12/31/15 Assets 12/31/16 Assets 12/31/17 Assets 12/31/18 Assets 12/31/19 Assets 12/31/20 Assets 95131 Available For Sale Securities 136453 Available For Sale Securities 137698 Available For Sale Securities 139613 AvailableForSale Securities DebtSecurities 144988 Available For Sale Securities Debt Securities 170336 Available For Sale Securities Debt Securities 14218 HeldToMaturity Securities 20212 HeldToMaturity Securities 18139 HeldToMaturity Securities 19428 HeldToMaturity Securities 21843 HeldToMaturity Securities 27556 HeldToMaturity Securities 4897 0.14945706 0.05147639 10232 0.14812426 0.07498553 11830 0.13173031 0.08591265 11519 0.1391561 0.08250664 10067 0.15065385 0.06943333 7595 0.16177438 0.04458834 0000920112 HEARTLAND FINANCIAL USAINC 0000920112 HEARTLAND FINANCIAL USA INC 0000920112 HEARTLAND FINANCIAL USA INC 0000920112 HEARTLAND FINANCIAL USA INC 0000920112 HEARTLAND FINANCIAL USA INC 0000920112 HEARTLAND FINANCIAL USA INC 12/31/15 Assets 12/31/16 Assets 12/31/17 Assets 12/31/18 Assets 12/31/19 Assets 12/31/20 Assets 7694.754 Available For Sale Securities 8247.079 Available For Sale Securities 9810.739 Available For Sale Securities 11408.006 Available For Sale Securities 13209.597 Available For Sale Securities Debt Securities 17908.339 Available For Sale Securities DebtSecurities 1578.434 HeldToMaturity Securities 1845.864 HeldToMaturity Securities 2216.753 HeldToMaturity Securities 2450.709 HeldToMaturity Securities 3294.361 HeldToMaturity Securities 6108.346 HeldToMaturity Securities 279.117 0.20513118 0.03627367 263.662 0.22382034 0.03197035 253.55 0.22595168 0.02584413 236.283 0.21482361 0.02071203 91.324 0.24939148 0.00691346 88.89 0.34108948 0.00496361 0001069157 EAST WEST BANCORP INC 0001069157 EAST WEST BANCORP INC 0001069157 EAST WEST BANCORP INC 0001069157 EAST WEST BANCORP INC 0001069157 EAST WEST BANCORP INC 0001069157 EAST WEST BANCORP INC 12/31/15 Assets 12/31/16 Assets 12/31/17 Assets 12/31/18 Assets 12/31/19 Assets 12/31/20 Assets 32350.922 Available For Sale Securities 34788.84 Available For Sale Securities 37150.249 Available For Sale Securities 41042.356 AvailableFor Sale Securities Debt Securities 44196.096 Available For Sale Securities DebtSecurities 52156.913 Available For Sale Securities Debt Securities 3773.226 HeldToMaturity Securities 3335.795 HeldToMaturity Securities 3016.752 HeldToMaturity Securities 2741.847 HeldToMaturity Securities 3317.214 HeldToMaturity Securities 5544.658 HeldToMaturity Securities 0 0.11663426 0 143.971 0.09588693 0.00413842 0 0.08120409 0 0 #N/A 0.0668053 0 #N/A 0.07505672 0 0 #N/A 0.10630725 0 7 0001281761 REGIONS FINANCIAL CORP 0001281761 REGIONS FINANCIAL CORP 0001281761 REGIONS FINANCIAL CORP 0001281761 REGIONS FINANCIAL CORP 0001281761 REGIONS FINANCIAL CORP 0001281761 REGIONS FINANCIAL CORP 12/31/15 Assets 12/31/16 Assets 12/31/17 Assets 12/31/18 Assets 12/31/19 Assets 12/31/20 Assets 126050 Available For Sale Securities 125968 Available For Sale Securities 124294 Available For Sale Securities 125688 Available For SaleSecurities DebtSecurities 126240 Available For Sale Securities Debt Securities 147389 AvailableForSale Securities Debt Securities 22710 HeldToMaturity Securities 23781 HeldToMaturity Securities 23628 HeldToMaturity Securities 22729 HeldToMaturity Securities 22606 HeldToMaturity Securities 27154 HeldToMaturity Securities 1946 0.1801666 0.01543832 1362 0.18878604 0.01081227 1658 0.19009767 0.01333934 1482 0.18083667 0.0117911 1332 0.17907161 0.01055133 1122 0.18423356 0.00761251 0000927628 CAPITAL ONE FINANCIAL CORP 0000927628 CAPITAL ONE FINANCIAL CORP 0000927628 CAPITAL ONE FINANCIAL CORP 0000927628 CAPITAL ONE FINANCIAL CORP 0000927628 CAPITAL ONE FINANCIAL CORP 0000927628 CAPITAL ONE FINANCIAL CORP 12/31/15 Assets 12/31/16 Assets 12/31/17 Assets 12/31/18 Assets 12/31/19 Assets 12/31/20 Assets 334048 Available For Sale Securities 357033 Available For Sale Securities 365693 AvailableForSale Securities 372538 AvailableForSale Securities DebtSecurities 390365 Available For Sale Securities DebtSecurities 421602 Available For Sale Securities DebtSecurities 39061 HeldToMaturity Securities 40737 HeldToMaturity Securities 37655 HeldToMaturity Securities 46150 HeldToMaturity Securities 79213 HeldToMaturity Securities 100445 HeldToMaturity Securities 24619 0.1169323 0.07369899 25712 0.1140987 0.07201575 28984 0.10296888 0.07925774 36771 0.12387998 0.09870402 0 0.20292034 0 #N/A 0.23824602 0 0000831001 CITIGROUP INC 0000831001 CITIGROUP INC 0000831001 CITIGROUP INC 0000831001 CITIGROUP INC 0000831001 CITIGROUP INC 0000831001 CITIGROUP INC 12/31/15 Assets 12/31/16 Assets 12/31/17 Assets 12/31/18 Assets 12/31/19 Assets 12/31/20 Assets 1731210 AvailableForSale Securities 1792077 AvailableForSale Securities 1842465 Available For Sale Securities 1917383 Available For Sale Securities DebtSecurities 1951158 AvailableForSaleSecurities Debt Securities 2260090 AvailableForSale Securities Debt Securities 299136 HeldToMaturity Securities 299424 HeldToMaturity Securities 290914 HeldToMaturity Securities 288038 HeldToMaturity Securities 280265 HeldToMaturity Securities 335084 HeldToMaturity Securities 36215 0.17279013 0.02091889 45667 0.16708211 0.02548272 53320 0.15789391 0.02893949 63357 0.15022455 0.03304348 80775 0.14364034 0.04139849 104943 0.14826135 0.04643311 0000776901 INDEPENDENT BANK CORP 0000776901 INDEPENDENT BANK CORP 0000776901 INDEPENDENT BANK CORP 0000776901 INDEPENDENT BANK CORP 0000776901 INDEPENDENT BANK CORP 0000776901 INDEPENDENT BANK CORP 12/31/15 Assets 12/31/16 Assets 12/31/17 Assets 12/31/18 Assets 12/31/19 Assets 12/31/20 Assets 7210.038 Available For Sale Securities 7709.375 Available For Sale Securities 8082.029 Available For Sale Securities 8851.592 AvailableForSale Securities Debt Securities 11395.165 Available For Sale Securities DebtSecurities 13204.301 AvailableFor Sale Securities Debt Securities 367.249 HeldToMaturity Securities 363.644 HeldToMaturity Securities 447.498 HeldToMaturity Securities 442.752 HekToMaturity Securities 426.424 HeldToMaturity Securities 412.86 HeldToMaturity Securities 477.507 0.05093579 0.06622808 487.076 0.04716906 0.0631797 497.688 0.05536951 0.06157959 611.49 0.05001948 0.06908249 740.806 0.03742149 0.06501055 724.512 0.03126708 0.05486939 0000759944 CITIZENS FINANCIAL GROUP INC/RI 0000759944 CITIZENS FINANCIAL GROUP INC/RI 0000759944 CITIZENS FINANCIAL GROUP INC/RI 0000759944 CITIZENS FINANCIAL GROUP INC/RI 0000759944 CITIZENS FINANCIAL GROUP INC/RI 0000759944 CITIZENS FINANCIAL GROUP INC/RI 12/31/15 Assets 12/31/16 Assets 12/31/17 Assets 12/31/18 Assets 12/31/19 Assets 12/31/20 Assets 138208 AvailableForSale Securities 149520 AvailableForSale Securities 152336 AvailableForSale Securities 160518 AvailableFor Sale Securities DebtSecurities 165733 Available For Sale Securities DebtSecurities 183349 Available For Sale Securities DebtSecurities 17884 HeldToMaturity Securities 19501 HeldToMaturity Securities 20157 HeldToMaturity Securities 19895 HeldToMaturity Securities 20613 HeldToMaturity Securities 22942 HeldToMaturity Securities 5258 0.12939917 0.03804411 5071 0.13042402 0.0339152 4685 0.13231935 0.03075439 4165 0.12394249 0.02594725 3202 0.12437475 0.01932023 3235 0.12512749 0.01764395 0000109380 ZIONS BANCORPORATION 0000109380 ZIONS BANCORPORATION 0000109380 ZIONS BANCORPORATION 0000109380 ZIONS BANCORPORATION 0000109380 ZIONS BANCORPORATION 0000109380 ZIONS BANCORPORATION 12/31/15 Assets 12/31/16 Assets 12/31/17 Assets 12/31/18 Assets 12/31/19 Assets 12/31/20 Assets 59669.525 Available For Sale Securities 63239.165 Available For Sale Securities 66288 AvailableForSale Securities 68746 AvailableFor Sale Securities 69172 AvailableForSale Securities 81479 AvailableForSale Securities DebtSecurities 7643.116 HeldToMaturity Securities 13372.194 HeldToMaturity Securities 15161 HeldToMaturity Securities 14737 HeldToMaturity Securities 13725 HeldToMaturity Securities 15731 HeldToMaturity Securities 545.648 0.12809078 0.0091445 867.904 0.21145431 0.01372415 770 0.2287141 0.01161598 #N/A 0.21436884 0 592 0.19841844 0.00855838 636 0.19306815 0.00780569