Men expect a better return on their investment than do women who trade stocks.
Men are more likely than women to think they're smarter about stocks than other people.
Well, guys are wrong, wrong and wrong, say two economists who have studied the performance of 3 million stock transactions made by men and women through a major discount brokerage firm over a six-year period. But when it came to trading, the clear winners were women, they found. And at the end of the average year, they discovered that all of this trading had reduced the value of men's portfolios by nearly a full percentage point more than those of women. It's not that men pick loser stocks. News Jobs AP Shopping Archives Entertain.