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 Stock performance. The following table displays information for 470 of the S&P 500 stocks, on how their one-day change on October 24, 2011 (a day on which the S&P 500 index gained 1.23%) compared with their year to date change.
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Order Paper Now(a) What percent of the companies reported a positive change in their stock price over the year to date?
(b) What percent of the companies reported a positive change in their stock price over both time periods?
(c) What percent of the companies reported a negative change in their stock price over both time periods?
(d) What percent of the companies reported a positive change in their stock price over one period and a negative change in the other period?