P9.1 Compute the Arms index for the S&P 500 over the following three days: Volume for Stocks Volume for Stocks Number of Stocks Day Rising in Price 123 350 2 3 275 260 Number of Stocks Falling in Price Rising in Price 150 850 million shares 225 450 million shares 240 850 million shares Falling in Price 420 million shares 725 million shares 420 million shares Which of the three days would be considered the most bullish? Explain why.