Shares of Opko Health (OPK) rack up a 5.7% gain premarket after Jefferies initiates coverage...

|By:, SA News Editor

Shares of Opko Health (OPK) rack up a 5.7% gain premarket after Jefferies initiates coverage with a Buy rating and $8 price target. Analysts point to the firm's diversified portfolio as a driver for "significant upside opportunities."