单选题

Which of the following statements about the implications of tests for the efficient market hypothesis (EMH) is least accurate?（）

A、 By purchasing a market index fund, an investor can match the market return and minimize costs.
B、 Other than corporate insiders and market specialists, most traders have monopolistic access to information, which rejects the strong-form EMH.
C、 Technical trading rules do not consistently provide excess returns after adjusting for trading costs and taxes.

【正确答案】 B

【答案解析】

Other than corn orate insiders and market specialists, no other group has monopolistic access to information, which supports the strong-form EMH. The other statements are true.