Tokyo stocks fell Wednesday, as investors took a cautious approach ahead of revised U.S. jobs data that could bring a stronger yen. The 225-issue Nikkei Stock Average ended down 111.12 points, or 0.29 percent, from Tuesday at 37,951.80. The broader Topix index finished 5.68 points, or 0.21 percent, lower at 2,664.86. On the top-tier Prime Market, decliners were led by oil and coal product, insurance and nonferrous metal issues. The U.S. dollar firmed to the upper 145 yen range in Tokyo on position adjustments, after briefly weakening to the upper 144 yen zone on selling amid increased confiden…