Answer:
A. True
Explanation:
Considering the corporation is making a gain through the price of the stock shows larger gain than expected. In a situation where the gain is less than what is expected, the coefficient market hypothesis says its stock price would fall.
The hypothesis informs that the financial market has sufficient information in which the total information in the market is a reflection of the share price.
Therefore, market instruments such as stocks are sold and bought at the best possible value hence cannot be under purchased or over sold.