Which of the following statements is$/$are consistent with the stock market being weak

form efficient and semi$-$strong efficient but not strong form efficient.

A$.$ It has recently been reported in the news that Intel has made a great deal of money

from sales of its new chip. This implies that now is an especially good time to

buy Intel stock.

B$.$ A recently graduated Imperial MBA who graduated top of the class has developed

a statistical model that can identify profitable investment opportunities using price

earnings ratios and book values together with macroeconomic forecasts.

C$.$ It is possible to do better by getting out of the market at the beginning of

September and back in at the end of the month than staying in for the whole

period.

D$.$ None of the above