Research In Motion (RIMM +4.1%) is rallying on another round of buyout buzz. Caitlin Duffy notes...

|By:, SA News Editor

Research In Motion (RIMM +4.1%) is rallying on another round of buyout buzz. Caitlin Duffy notes options speculators are placing big bets on December calls - some of which expire tomorrow. Nomura's Rick Sherlund, however, is throwing cold water on the sometimes-discussed notion that Microsoft (MSFT) might be interested in RIM, and Eric Savitz is even more skeptical of such a tie-up occurring. (previously)