According to The Wall Street Journal article on February 1, 1996 (Intrinsic Value by Roger Lowenstein, p.

Question:

According to The Wall Street Journal article on February 1, 1996 (“Intrinsic Value” by Roger Lowenstein, p. C1), pension fund assets in the United States grew dramatically— by approximately 29 percent—during 1995, an excellent year in the stock market.
However, underfunding of pension plans increased by a very sizable amount. Why do you think that this occurred?