According to Reuters, the top markets on Wall Street ended the trading session on the rise. On May 15th, the top three markets on the New York Stock Exchange gained over half a percent each. The Nasdaq Composite led gains on the day, rising over 1-percent for 87-points. The Dow Jones Industrial Average and the S&P 500 added about half a percent each. The Dow Jones added 120-points on the day, rising to 25,651, while the S&P tacked on 16-points.