Omeros' Buy rating affirmed By: MarketMinute.com Stock News April 04, 2018 at 20:24 PM EDT H.C. Wainwright affirmed its Buy rating on Omeros Corp. (Nasdaq: OMER) and established a price target of $34.00. Shares of the biopharmaceutical soared $1.34 to close at 13.49. Related Stocks: Omeros Corp