单选题 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.

【正确答案】 A

【答案解析】Recent tests have shown that despite there being some information content to the Value Line rankings, no profitable trading strategy can be devised after transaction costs are considered.