TORONTO (Reuters) - Research In Motion Ltd delayed the make-or-break launch of its next-generation BlackBerry phones until next year, in a devastating setback to the once-dominant technology company whose sales are crumbling. Shares of the company, which also announced a steeper-than-expected quarterly operating loss and deep job cuts on Thursday, plunged 14 percent after it said it would release its revamped BlackBerry 10 devices early in 2013. It conceded the development had "proven to be more time-consuming than anticipated. ...

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