Pfizer Inc.’s stock gained Monday after a report that activist investor Starboard Value has invested $1 billion in the drug ...

Key Takeaways Pfizer shares have gained ground since a report over the weekend said that activist investor Starboard Value ...

Activist investor Starboard Value is looking to shake up pharma giant Pfizer's sagging stock price.

Activist investor Starboard Value has taken a stake of about $1 billion in Pfizer and wants the U.S. drug giant to make ...

Starboard Value reportedly has taken a roughly $1 billion stake in Pfizer, as the activist investor seeks to turn the ...

Activist investor Starboard Value has taken a stake of about $1 billion in Pfizer Inc. and is seeking to spur a turnaround of ...

The activist investor has informed Pfizer that it has taken a significant stake in the drugmaker, people familiar with the ...

Activist investor Starboard Value has taken a roughly $1 billion stake in Pfizer and wants the U.S. drug giant to make ...

Starboard has reached out to former Pfizer CEO Ian Read and ex-finance chief Frank D'Amelio, and both have expressed interest ...

Activist investor Starboard Value has taken a $1 billion stake in beleaguered drugmaker Pfizer Inc. and is seeking a ...

Paul Argenti, Dartmouth Tuck School of Business professor, joins 'Squawk Box' to discuss news of activist investor Starboard ...