Which of the following(there may be multiple) information would provide evidence against the semi-strong form of the efficient market hypothesis (assuming that each of the statements themselves is true)?

A. Companies with predicted earnings announcements this month tend to have abnormally high returns

B. Stocks with high investment last year tend to have abnormally low returns

C. Companies have high returns in February when they have had high returns in the past five Februaries

D. Markets have higher expected returns when risk aversion is high

E. Stock prices for takeover targets on average rise in the days before the announcement