TOKYO (Reuters) - Toshiba Corp <6502.T>, Japan's biggest chipmaker, posted a smaller-than-expected operating profit as rising materials costs and tumbling PC and TV prices outweighed the benefits of a chip price recovery.
TOSHIBA (JP6502.TK) the world's No.2 maker of NAND-type flash memory chips after Samsung Electronics Co <005930.KS>, said it earned an operating profit of 10.22 billion yen ($113.6 million) in October-December, missing a market consensus of 25.7 billion yen.
Toshiba, which supplies chips to Apple Inc
Toshiba, which also owns U.S. nuclear firm Westinghouse, is fighting to clinch nuclear power plant orders, while it tries to expand in lithium-ion batteries and power grids to counter chip price volatility.
Shares in Toshiba gained 8.5 percent in October-December, outpacing a 3 percent rise in Tokyo's index of electrical machinery stocks <.IELEC.T>.
(Reporting by Mayumi Negishi; Editing by Anshuman Daga)