Active Stocks: MELA, SGYP, OMER, NVS, ENTA By: TalkMarkets October 21, 2014 at 19:09 PM EDT U.S. stocks rallied on Tuesday, with the S&P 500 on track for a fourth straight session of gains boosted by strong corporate results, including Apple's. Read More >> Related Stocks: Enanta Pharmaceutica Novartis Ag ADR Omeros Corp Synergy Pharma