Catamaran Corp (NASDAQ:CTRX) was upgraded by analysts at JMP Securities from an "underperform" rating to a "market perform" rating in a report released on Thursday, AnalystRatings.Net reports. Shares of Catamaran Corp (NASDAQ:CTRX) remained flat at $61.47 during trading on Thursday. The company's 50-day moving average price is $60.99 and its 200-day moving average price is [...]