Answer:
The correct answer is option d.
Explanation:
The effficent market hypothesis is an investment theory which advocates that the stock prices reflect all the available information. As a result, stocks are always traded at their fair value.
The strong form of efficient market says that stock prices reflect all information whether public or private.
This implies that investors cannot have more than normal profits. In the above example, the investors are able to make profit through insider information. This means that the market is less than strong form efficient.
