Asia stocks mostly lower as metal shares slip By: MarketWatch January 06, 2013 at 20:14 PM EST Asia stocks trade mostly lower, with Japanese and Korean benchmarks slipping into the red, as losses for metal stocks weigh on the broader-market performance. Read More >> Related Stocks: Alcoa Chubu Electric Power Fanuc Corp Fujitsu Ltd ADR HKEPF Hitachi Construction Machinery Co. Ltd Honda Motor Company ADR Komatsu Ltd Mazda Motor Corp Nissan Motors ADR Rio Tinto Plc ADR Sharp Corp Toyota Motor Corp Ltd Ord ADR