Asia stocks dip on nerves before Fed, dollar treads water

By Shinichi Saoshiro TOKYO (Reuters) - Asian stocks dipped and the dollar marked time on Wednesday, with markets fixed on the Federal Reserve's policy statement due later in the session for clues to when the Fed will hike interest rates. MSCI's broadest index of Asia-Pacific shares outside Japan dipped 0.1 percent, tracking Wall Street shares which fell overnight as nervousness increased ahead of the Fed's statement. A Fed statement is due at 1800 GMT, followed 30 minutes later by