What's more notable is that the index covering smaller companies, the Russell 2000, did even better, rising 1.9% on Wednesday. Wall Street traders pushed up the U.S. stock market higher on Wednesday, and this time the smaller companies tagged along and outperformed. The S&P 500 rose 0.3%, while the Dow added 408 points or 0.9%, and the Nasdaq rose 0.2%. ...