Benzinga's Top Downgrades By: Benzinga via Benzinga June 29, 2015 at 10:01 AM EDT Analysts at Leerink Swann downgraded Kythera Biopharmaceuticals Inc (NASDAQ: KYTH) from Outperform to Market Perform. Kythera ... Read More >> Related Stocks: Assured Guaranty Ltd F5 Networks First Bancorp Macy's Marketaxess Holdings SunTrust Banks Ternium S.A. ADR