RIM shares up on new handsets

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es in BlackBerry maker Research in Motion (RIM) leapt as much as 10 per cent yesterday as it confirmed it was testing the next generation of handsets with operators, a big step towards the launch of BlackBerry 10, its soon-to-be-released smartphone software which has been repeatedly delayed.

RIM has seen its market share significantly squeezed by Apple and Samsung in recent years.