S&P 500 ends at record high as dollar loses ground

U.S. stocks ended sharply stronger on Thursday and the S&P 500 closed at a record high as investors worried less about interest rates and a weaker dollar offered the possibility of stronger sales for U.S. multinationals. The S&P 500 gained 22.62 points, or 1.08 percent, to end at 2,121.1, exceeding its previous all-time high close of 2,117.69 on April 24. The Nasdaq Composite had its strongest day since January. A report showing a dip in initial claims for state unemployment benefits las