Answer:
The correct option is C
Explanation:
Weakly efficient or weak form efficiency is the past price movements, earnings data and volume which do not affect the stock price and could not be used to forecast the future direction.
So, the one which will contradict the stock market weakly efficient is that every January, the stock market earns above the normal return as if the market is earning above normal return, then it is in profit and not in a state of weak form.