Western Digital to raise Toshiba chip offer to $18 billion or more

Western Digital to raise Toshiba chip offer to $18 billion or more Western Digital Corp (WDC.O) plans to raise its offer for Toshiba Corp's (6502.T) prized semiconductor unit to 2 trillion yen ($18 billion) or more, a person familiar with the matter said, marking a last-ditch effort to clinch a […]