Tokyo stocks ended lower Wednesday on profit-taking as investors awaited the outcome of a two-day U.S. Federal Reserve policy meeting later in the day. The 225-issue Nikkei Stock Average ended down 258.08 points, or 0.66 percent, from Tuesday at 38,876.71. The broader Topix index finished 20.36 points, or 0.73 percent, lower at 2,756.44. On the top-tier Prime Market, decliners were led by pulp and paper, securities house, and marine transportation shares. The U.S. dollar moved narrowly in the lower 157 yen range in Tokyo as a wait-and-see mood prevailed ahead of the release Wednesday of both t…