单项选择题

Which of the following would provide evidence against the semi-strong form of the efficient market theory（）

A. Low P/E stocks tend to have positive abnormal returns over the long run.
B. Trend analysis is worthless in determining stock prices.
C. All investors have learned to exploit signals related to future performance.

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热门试题

单项选择题

More recent tests of the predictive content in Value Line rankings.（）

A. provide additional support for the semi-strong form of the EMH.
B. provide less support for the semi-strong form of the EMH.
C. provide additional support for the weak form of the EMH.

单项选择题

Which of the following statements best describes the limits of arbitrage in correcting market anomalies（）

A. When fundamentals indicate that a stock is overvalued or undervalued, trading based on this information will be immediately profitable.
B. Arbitrage is not always risk-less as was shown during the internet stock bubble of the 1990s, when traders were short a stock and had to cover their positions at a much higher takeover price.
C. There is no limitation to arbitrage in correcting market anomalies because it is a risk-less trading activity and once there is a mispricing it will be exploited to its fullest.