U.S. stocks climbed higher on Tuesday as U.S. pending sales of existing homes increased in December. The Dow Jones industrials rose 111.32 points, or 1.09 percent, to close at 10,296.85. The Standard & Poor's 500 index rose 14.13 points, or 1.30 percent, to 1,103.31. NASDAQ composite index rose 18.86, or 0.87 percent, to 2190.06. 