Asia shares tumble, send indexes to year's lows By: MarketWatch February 05, 2010 at 05:11 AM EST Asian equity markets tumble on heavy losses on Wall Street and heightened concerns over European sovereign debt. Read More >> Related Stocks: Bhp Billiton Ltd ADR Cnooc Ltd Dow Jones Industrial Average (EOD) Jiangxi Copper Co. Ltd Mazda Motor Corp Nintendo Ltd ADR Nissan Motors ADR Rio Tinto Plc ADR SPDR GOLD Sony Corp Sumitomo Metal Mining Ltd Toyota Motor Corp Ltd Ord ADR Woodside Energy Group Ltd