Healthy Returns: What activist Starboard's $1 billion stake means for Pfizer

A version of this article first appeared in CNBC's Healthy Returns newsletter, which brings the latest health-care news straight to your inbox. Subscribe here to receive future editions.Happy Tuesday! Pfizer's troubles may finally be coming to a head. Former executives of the pharmaceutical giant are backing a push by activist investor Starboard Value to turn around the struggling company, according to recent reports. Starboard has a roughly $1 billion stake in the drugmaker and approached former Pfizer CEO ...