Much-maligned Research In Motion (RIMM +5.9%) continues its improbable run, with shares up 49%...

|By:, SA News Editor

Much-maligned Research In Motion (RIMM +5.9%) continues its improbable run, with shares up 49% since their 2011 low set Aug. 9. There's no news outside longstanding themes: It's a potential takeover target, and new phones could boost results (I, II, III). And analysts have served up a roughly equal number of positive (I, II) and negative (I, II) reports in recent weeks.