New York, March 7 (BridgeNews) - U.S. stocks rose as investors brushed off profit warnings and analyst downgrades for a third day. Hopes that the market may have found a bottom and a bullish note from Goldman Sachs strategist Abby Joseph Cohen added to the positive tone. The Nasdaq closed up 19 points to 2223 and the Dow was up 138, or 1.3%, to 10,729. The S&P 500 was up 8 points to 1261.