TOKYO (AP) — Shares were lower Wednesday in Asia after a flip-flop session on Wall Street, where the Dow industrial average ended almost flat after backtracking from a broad rally earlier in the day. KEEPING SCORE: Japan's Nikkei 225 index lost 0.4 percent to 23,868.34 and Hong Kong's Hang Seng slipped 0.1 percent to 31,870.40.