Stocks close lower as Nvidia weighs ahead of earnings
By Chuck Mikolajczak NEW YORK (Reuters) -U.S. stocks ended lower on Tuesday, with the Nasdaq showing the largest declines as chipmaker Nvidia (NASDAQ:NVDA) stumbled ahead of its highly awaited earnings report, while gains in Walmart (NYSE:WMT) kept losses on the Dow Industrials in check. Shares of the chip designer Nvidia tumbled 4.35%, it\'s biggest daily...