D$.9\mathrm{.}50\%$

E$.11\mathrm{.}53\%$

$29.$ The weak form of the efficient market hypothesis implies that:

A$.$ No one can achieve abnormal returns using market information.

B$.$ Insiders, such as specialists and corporate board members, cannot achieve abnormal returns on

C$.$ Investors can achieve abnormal returns, on average, using technical analysis, after adjusting for average. transaction costs and taxes.

D$.$ All publicly available information is already fully reflected in stock prices

E$.$ None of the above

$7$