What Do Versartis' Troubles Mean For Opko Health? By: Benzinga via Benzinga September 22, 2017 at 11:26 AM EDT Versartis Inc (NASDAQ: VSAR) shares are slumping even as rival Opko Health Inc. (NASDAQ: OPK) is seeing slight strength, though not ... Read More >> Related Stocks: Ascendis Pharma ADR Opko Health Inc Pfizer Versartis Inc