Exam 7: Stock Price Behavior and Market Efficiency

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Which one of the following returns is computed as the observed return minus the expected return?

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Ace. Pharmaceutical announced FDA approval for a new drug on December 3. West Drug Co. announced approval for its new drug on December 5. No other information was released that would affect returns over the period. What is the combined cumulative abnormal return for the five-day period commencing two days prior to the approval announcement date? Use the following data to answer this question. No trading occurred on December 6 and 7. Date Market Ace Return West Returr 1 -Dec .30\% .10\% .10\% 2 -Dec .20\% .20\% -.20\% 3 -Dec .10\% .70\% .30\% 4 -Dec .00\% .50\% .20\% 5 -Dec -.10\% -.40\% .40\% 8 -Dec .10\% -.30\% -.10\% 9 -Dec -.20\% -.10\% -.20\%

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Which of the following will lead to abnormal profits in a semistrong form efficient market? I. private financial information II. historical price trends III. financial analysts reports IV. unreleased merger plans

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Which one of the following terms best describes the information you know about a company that will have a significant effect on the price of the company's stock once that information is released?

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Over the past five days, the common stock of Scott Mfg. had daily returns of .3, −.2, .3, .1, and .1 percent, respectively. For the same five days, the market had daily returns of .2, .4, −.5, .3, and .1 percent, respectively. What is the cumulative abnormal return on Scott Mfg. stock for this time period?

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Tom is an engineer for Talbot Tech and has just discovered a revolutionary method for strengthening metals. He knows this knowledge will add value to Talbot Tech's stock. Tom happens to mention this discovery and its value to his neighbor, Fred. Fred can be charged with insider trading if he:

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