BlackBerry boosts outlook on software growth; concerns remain

By Alastair Sharp WATERLOO, Ontario (Reuters) - BlackBerry Ltd , helped by its higher-margin software business, reported better-than-expected adjusted earnings and raised its full-year growth forecast on Tuesday, though concerns about overall revenue growth reversed early share gains. BlackBerry Chief Executive John Chen said at a midday event with reporters that he expected it would take another four or five quarters to halt the steady decline in the company's overall revenue. BlackBerry shares