18. Use the data in Table 12A to compute a 5-day moving average for Computers, Inc. Can you identify any buy or sell signals?

Trading Day 1 2 Computers, Inc. 19.63 20 Industry Index 50.0 50.1 Trading Day 21 Computers, Inc. 19.63 21.50 Industry Index 54.1 54.0 53.9 22 50.5 23 22 3 4 23.13 20.50 22 21.13 22 50.4 51.0 24 25 5 53.7 54.8 54.5 6 50.7 7 50.5 24 25.25 26.25 27 27.50 54.6 8 26 27 28 29 30 9 51.1 51.5 51.7 51.4 51.7 10 11 28 21.88 22.50 23.13 23.88 24.50 23.25 22.13 22 12 31 32 33 34 28.50 28 27.50 29 54.1 54.2 54.8 54.2 54.8 54.9 55.2 55.7 56.1 13 14 15 35 52.2 52.0 53.1 53.5 53.9 53.6 20.63 20.25 19.75 29.25 29.50 16 17 36 37 38 30 56.7 56.7 18 18.75 28.50 19 17.50 52.9 39 27.75 56.5 56.1 20 19 53.4 40 28 Table 12A Computers, Inc. stock price history