Wall Street flat as healthcare drag offsets energy gains

REUTERS - U.S. stocks were little changed on Tuesday as gains in energy and IT companies were offset by tumbling healthcare shares, a day after Federal Reserve Chair Janet Yellen painted a mostly positive picture of the economy. The Dow Jones Industrial Average was up 28.59 points, or 0.16 percent, at 17,948.92, the S&P 500 was up 1.56 points, or 0.07 percent, at 2,110.97 and the Nasdaq Composite was up 3.22 points, or 0.06 percent, at 4,971.93. (Reporting by Yashaswini Swamynathan in Bengal