On July 19, 2013, Microsoft stocks suffered its biggest one-day percentage sell-off since the year 2000 after its fourth-quarter report raised concerns among the investors on the poor showings of both Windows 8 and the Surface tablet; with more than 11 percentage points declining Microsoft suffered a loss of more than US$32 billion.
On July 19, 2013, Microsoft's stock prices experienced their largest one-day percentage drop since 2000 following the release of its fourth-quarter report, which sparked investor concerns about the poor performance of both Windows 8 and the Surface tablet.  Microsoft suffered a loss exceeding US$32 billion as its stock price plummeted by more than 11 percentage points.