Asia stocks notch modest gains By: MarketWatch February 13, 2013 at 20:10 PM EST Asia stocks edge higher, with investors grappling with earnings, an unexpectedly weak reading on the Japanese economy, and deal-making in Australia. Read More >> Related Stocks: Asahi Breweries Bhp Billiton Ltd ADR Hyundai Motor Reg S KIMTF Nissan Motors ADR Rio Tinto Plc ADR Tokio Marine Ord Toyota Motor Corp Ltd Ord ADR