Wall Street ended sharply higher in a rebound from Tuesday's losses. The S&P 500 closed with its best gains since April and its third best performance of the year. The Dow Jones Industrial Average and Nasdaq were also higher. FedEx Corp. (FDX) - Get Report warmed that worldwide operations of its TNT Express subsidiary had been affected by an information system virus. Operations and communications were impacted, though FedEx has found no data breach. Caterpillar Inc. (CAT) - Get Report moved higher after being reiterated with an OUTPERFORM rating at Credit Suisse. The firm said strength in the first quarter had carried over into the second. General Mills Inc. (GIS) - Get Report moved higher after reporting a better-than-expected fiscal fourth quarter. However, the owner of Cheerio's did warn that it anticipates organic sales will decline by 1% to 2% this fiscal year.