An earnings beat from Home Depot is helping to send the Dow Jones industrial average higher in midday trading, but other stock market indexes are mixed, AP reported. The Dow was up 59 points at 13,846 at midday Tuesday. IBM and other Dow stocks were also higher. The Standard & Poor's 500 index was flat at 1,487 and the Nasdaq was down seven points at 3,108. Home Depot jumped 5 percent after reporting that its income rose 32 percent in the latest quarter thanks to strong U.S. sales and the cleanup that followed Superstorm Sandy. Macy's also beat analysts' profit forecasts. -- SPA