Wall Street shares rallied on Wednesday with the benchmark indexes Dow Jones and S&P 500 closing at historic records after the U.S. Federal Reserve announced that it trims its monetary easing by $10 billion a month. The Dow Jones industrial average surged 1.84% to 16,167.97, the Standard & Poor's 500 Index rose 1.66% to 1,810.65 and the Nasdaq Composite Index jumped 1.15% to 4,070.064.