9:11 AM Struggling Research in Motion (RIMM) will recover momentum in 2011, after a sluggish 2010 that saw its innovation lag, says Barclays. A "steadily improving" product line, including the PlayBook tablet computer, should grab market share, and there are signs carriers will more aggressively back the BlackBerry. Premarket, RIM is -0.4% to $63.07.