Research in Motion (RIMM) shares  are higher by 4.1% premarket following the resignation of its...

|By:, SA News Editor

Research in Motion (RIMM) shares  are higher by 4.1% premarket following the resignation of its co-CEOs. Deutsche Bank's Brian Modoff - an outspoken bear on the company - ups his rating from Sell to Hold and his price target from $10 to $18, though cautioning, "New management structure carries much of the old."