US stocks soared Wednesday to all-time closing highs after the Federal Reserve left its huge monetary stimulus in place. At the closing bell, the Dow Jones Industrial Average jumped 147.37 (0.95 percent) to 15,677.10, above the all-time record close of 15,658.36 of August 2. The broad-based S&P 500 surged 20.72 (1.22 percent) to 1,725.48, besting the all-time high of 1,709.67, also on August 2.