Ballmer's billion-dollar blunders: When he gambled Microsoft's money and lost

Nokia is the biggest write-off yet, but it wasn't the first

Analysis Less than two years into Satya Nadella's tenure as CEO of Microsoft, he's already had to report a lossmaking quarter. It's only the second time that's happened in the software giant's three decades as a public company, and the $8.44bn write-off Redmond posted earlier this week is the largest in its history."