Saturday, June 29, 2013 
BlackBerry Chief Executive Officer Thorsten Heins displays the BlackBerry Q10 at a launch event in Manhattan in January.(Photo: Mario Tama, Getty Images)
Hold off on that comeback talk.
Shares of BlackBerry plunged 25% after its first-quarter earnings failed to impress Wall Street.
The Canadian smartphone maker posted revenue of $3.1 billion, up 15% from the previous quarter and 9% compared to last year. BlackBerry also narrowed its losses to $84 million, from $510 million during the same time in fiscal 2013.