Warren Buffett does not like to lose money in general, so losing $1 billion before lunch on a Monday morning can not be going down well.
IBM on Monday posted earnings that fell well short of analysts' expectations, with the company saying it is "disappointed" with its performance.
IBM has agreed to pay Abu Dhabi-owned firm GlobalFoundries $1.5bn (£930m) to take its unprofitable chip-making business off its hands, according to US media.
IBM has rolled out a new artificial intelligence tool and says it's moving Watson's staff to New York's Silicon Alley, Bob Pisani reports.
IBM's pay-to-play memo to employees is disturbing, says career coach Marie McIntyre.
IBM boss, Ginni Rometty, and bank chiefs Ana Botín at Santander and Gail Kelly at Westpac have topped Fortune magazine's annual rankings of the world's most powerful businesswomen.
IBM is reportedly cutting the pay of employees who need training.
We've had the sex and the drugs, but sadly no rock'n'roll (so far) in the saga of GlaxoSmithKline's murky dealings in China.
Today's Apple latest features news about the iWatch, the iPhone 6 and news about the partnership they have just struck with IBM.
Beyond the grass courts, tennis whites and jugs of Pimms, there’s a whole flurry of activity going on in a dimly lit underground bunker.