 The International Monetary Funds upgraded its economic outlook for China, India and Europe, while modestly lowering expectations for the U.S. and Japan. Overall, the IMF still expects the world economy to grow a lackluster 3.2 percent this year. Its forecast for U.S. growth, 2.6 percent. Some better-than-expected corporate profit reports sparked a widespread rally on Wall Street. The Dow leapt 740 points, or 1.8 percent, closing at 40,954.