Tokyo stocks ended nearly flat on Thursday after the earnings results of U.S. chip giant Nvidia Corp. failed to impress investors, while the markets were supported by bargain-hunting. The 225-issue Nikkei Stock Average ended down 9.23 points, or 0.02 percent, from Wednesday at 38,362.53. The broader Topix index finished 0.90 points, or 0.03 percent, higher at 2,693.02. On the top-tier Prime Market, decliners were led by pulp and paper issues, while marine transportation and insurance stocks led gainers. The U.S. dollar moved little in the upper 144 yen range. The Nikkei index briefly lost over…