Tokyo stocks fell Wednesday morning, with semiconductor-related issues tracking overnight declines in their U.S. peers, as caution grew over a possible interest rate hike by the Bank of Japan before it concludes a policy meeting later in the day. The 225-issue Nikkei Stock Average fell 156.41 points, or 0.41 percent, from Tuesday to 38,369.54. The broader Topix index was down 1.96 points, or 0.07 percent, at 2,752.49. The U.S. dollar briefly fell to the lower 152 yen range and remained weak in the upper 152 yen zone after plunging by around 2 yen in New York overnight on yen buying stirred by …