Exam 7: Stock Price Behavior and Market Efficiency

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How should cumulative abnormal returns react in an efficient market?

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Over the time period of 1929 to 1932,the stock market lost approximately ________ percent of its value.

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Which one of the following correctly identifies the phenomenon that states that one month has the greatest tendency for small stocks to earn large returns?

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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 5 day period commencing 2 days prior to the approval announcement date? Use the following data to answer this question.No trading occurred on December 6th and 7th. 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 5 day period commencing 2 days prior to the approval announcement date? Use the following data to answer this question.No trading occurred on December 6<sup>th</sup> and 7<sup>th</sup>.

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You are the chief financial officer of Davidson Industries.On multiple occasions,you have engaged in insider trading but have never been able to earn any abnormal returns.Which form of market efficiency most likely exists given your situation?

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

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The January effect:

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Which one of the following involves the study of a firm's stock price for the few days surrounding a news announcement?

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Which one of the following best describes the current understanding of market efficiency?

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If the S&P 500 falls by 20 percent,the NYSE will:

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The NYSE circuit breakers are recalculated:

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Which one of the following is a research method used to study the effects news has on stock prices?

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Over the past 5 days,the common stock of Scott Mfg.had daily returns of 0.3,-0.2,0.3,0.1,and 0.1 percent,respectively.For the same 5 days,the market had daily returns of 0.2,0.4,-0.5,0.3,and 0.1 percent,respectively.What is the cumulative abnormal return on Scott Mfg.stock for this time period?

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Ann uses two approaches to trading stocks.First,she trades on what she believes is a repetitive pattern as seen in Dotson Co's historical prices.Secondly,she analyzes the financial statements of The Allen Co.to compute changes in the return on equity as a predictor of future stock prices for that firm.She trades based on both strategies.Ann earns excess profits on her return on equity strategy but not on her historical prices strategy.This suggests that the market is at least ________ efficient but less than ________ efficient.

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The following are the daily returns for both the overall market and for Omega Inc.What is the cumulative abnormal return on Omega,Inc.,stock for these 5 days? The following are the daily returns for both the overall market and for Omega Inc.What is the cumulative abnormal return on Omega,Inc.,stock for these 5 days?

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The value of the Amex Internet Index increased by about ________ percent from October 1998 to March 2000 and subsequently declined by about ________ percent by October 2002.

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Which type of trader is defined as one who decides to trade securities based on publicly available information and analysis?

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The following are the daily returns for both the overall market and for Alpha Inc.What is the cumulative abnormal return on Alpha,Inc.,stock for these 5 days? The following are the daily returns for both the overall market and for Alpha Inc.What is the cumulative abnormal return on Alpha,Inc.,stock for these 5 days?

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If you believe that stock market prices follow a random walk,then:

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Over the past 65 years,which day of the week,on average,has the lowest average rate of return?

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