STR Holdings had things wrapped up in Q4. The company's core business is the manufacture of polymers used to protect semiconductors. Business is heating up with annual revenue growing by more than 50% and its stock finishing the quarter 54% above its opening price on the NYSE of $10 per share. Investors had a less enthusiastic greeting for Omeros Corporation, which opened trading on the NASDAQ in Q4 at $10 per share. The biopharmaceutical company's stock finished the quarter down 30%.