Research in Motion (RIMM) is reportedly downgraded to Sell from Hold at Deutsche Bank following the company’s Q4 results. The firm believes market dynamics are working against the company and thinks its QNX operating system will disappoint. Price target is lowered from $60 to $50. Shares are down 12.07% to $56.35 in pre-market trading as other firms follow up with downgrades, an Underperform at Robert W. Baird and a Neutral at BofAMerrill.