Asia stocks sink; ex-dividend trade hits Tokyo By: MarketWatch September 25, 2012 at 21:03 PM EDT Asia markets fall, matching losses on Wall Street, with sharp declines in Tokyo as many firms start to trade without rights to latest dividend payouts. Read More >> Related Stocks: Bhp Billiton Ltd ADR Canon Inc ADR Casio Computer Co. Ltd Honda Motor Company ADR Nissan Motors ADR Rio Tinto Plc ADR Sharp Corp Toyota Motor Corp Ltd Ord ADR