Asahi shares hit by Corning warning

Shares of Nippon Electric Glass and Asahi Glass Co. tumbled on Thursday after rival Corning Inc. cut its outlook on slower-than-expected demand for glass used in flat TVs.

Asahi Glass closed the morning down 3.6 percent at 1,065 yen [$9.80], underperforming a 0.4 percent fall in the benchmark Nikkei average.