Japan stocks tumble to lead Asia losses By: MarketWatch October 09, 2012 at 21:02 PM EDT Japanese stocks fall sharply to lead losses across Asian markets, with growth and earnings concerns depressing investor sentiment. Read More >> Related Stocks: Alcoa Fanuc Ltd Unsp A ADR Jfe Holdings Inc Komatsu Ltd ADR Nissan Motors ADR Samsung Electronics Ltd Sony Corp Sumitomo Heavy Industries Co. Toshiba Corp Toyota Motor Corp Ltd Ord ADR