J M Keyes Put All His Money in One Stock, and and the Stock

Multiple Choice

J. M. Keyes put all his money in one stock, and the stock doubled in value in a matter of months. He did this three times in a row with three different stocks. J. M. got his picture on the front page of the Wall Street Journal. However, the paper never mentioned the thousands of investors who made similar bets on other stocks and lost most of their money. This is an example of the ________ problem in deciding how efficient the markets are.

A) magnitude
B) selection bias
C) lucky event
D) small firm