Sony posts Thursday loss of almost $ 10 billion , prompting shares to drop . Sony 's television division has lost money for the past eight years . Company attributed fall to drop in demand after earthquake , tsunami and higher yen . Follows record loss for rival Panasonic announced annual of almost $ 10 billion . Both companies hit by extra competition , sluggish sales of flat-screen TVs .
Sony posts Thursday loss of almost $ 10 billion , prompting shares to drop . Company attributed fall to drop in demand after earthquake , tsunami and higher yen . Follows record loss for rival Panasonic announced annual of almost $ 10 billion . Both companies hit by extra competition , sluggish sales of flat-screen TVs .