Why Opko Health Stock Was a Surprise Winner This Week

Counterintuitively, week-to-date, as of Thursday afternoon, Opko stock was up by almost 10%, according to S&P Global Market Intelligence. There was no ambiguity -- Opko fell notably short of expectations for the period. Opko's steep drop in the diagnostics segment (53% year over year to just under $187 million) was worse than many projected, but it wasn't a shock.