Tokyo stocks opened lower on Tuesday as a slightly higher yen and falls in the US Dow index weighed on the market. The benchmark Nikkei 225 index was down 0.45 percent, or 175.29 points, at 38,747.74 in early trade, while the broader Topix index was down 0.33 percent, or 9.33 points, at 2,788.74. kh/kaf/smw
