Writing in New York magazine, Sheelah Kolhatkar asks an intriguing question: A couple of weeks ago, for instance, the investment-management company Vanguard released data showing that men were more likely than women to sell stocks at the bottom of the market. Could it be that the fairer sex is better able to ride the ups and downs of Wall Street without letting their emotions get in the way?

a. What is "the bottom of the market"?

b. Is selling stocks at the bottom of the market a good idea or a bad idea? Briefly explain.

c. If "yes" is the answer to (b), is that consistent with the efficient markets hypothesis? Briefly explain.