单项选择题

The semi-strong form of the efficient market hypothesis (EMH) asserts that stock prices:（）

A. fully reflect all historical price information.
B. fully reflect all relevant information including insider information.
C. fully reflect all publicly available information.

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单项选择题

Which of the following statements describes the overall conclusions regarding the weak-form of the efficient market hypothesis (EMH)（）

A. All evidence indicates that simple trading rules generate positive abnormal returns.
B. Stock exchange specialists using monopolistic information contained in the limit order book derive above average returns.
C. Most evidence indicates that after incorporating trading costs, simple trading rules do not generate positive abnormal profits.

单项选择题

Using the following assumptions, calculate the rate of return on a margin transaction for an investor who purchases the stock and the stock price at which the investor who shorts the stock will receive a margin call. Market Price Per Share: $25 Number of Shares Purchased: 1000 Holding Period: 1 year Ending Share Price: $22 Initial Margin Requirement: 50% Maintenance margin: 25% Transaction and borrowing costs: $0 The company pays no dividends What of the following choices is closest to the correct answer The margin transaction return and margin call are: Margin Transaction Return Margin Call（）①A. -24.00% $16.67 ②B. -12.00% $16.67 ③C. -24.00% $30.00

A. ①
B. ②
C. ③