Westport Innovations Inc. (USA) (NASDAQ:WPRT), is enjoying a decidedly different reaction to its own earnings report issued last night. Despite two price-target cuts this morning, the shares have surged almost 21% to $15.64. Westport Innovations Inc. (USA) (NASDAQ:WPRT)stock performance was 24.28% in last session and finished the day at $ 16.07. Traded volume was 7.14 million shares in the last session and the average volume … Continue reading NASDAQ gainers: Westport Innovations Inc. (USA) (NASDAQ:WPRT), Rentech, Inc. (NASDAQ:RTK), Melco Crown Entertainment (NASDAQ:MPEL), Sequenom, Inc. (NASDAQ:SQNM)