Shares down 27%.
The headlines below tell a lot of the story. In my look ahead at holiday sales, I said this season would be make or break for BlackBerry. They may not make it that long.
BlackBerry Windows Phone market share shrinks again
BlackBerry shares fall sharply after smartphone maker posts shock loss
Baig: Prospects look grim for BlackBerry
'Beginning of the end for BlackBerry'
BlackBerry Gives Up on Its Tablet, While Consumers Give Up on Its Phones