Every investor in Pfizer Inc. ( NYSE:PFE) should be aware of the most powerful shareholder groups. We can see that ...

Range Financial Group LLC purchased a new stake in Pfizer Inc. (NYSE:PFE – Free Report) during the fourth quarter, according ...

PFE's strong economic moat is threatened by upcoming patent expirations, but its oncology segment shows promising growth ...

Pfizer Inc. closed $4.65 short of its 52-week high ($31.54), which the company reached on July 30th.

Pfizer Inc. (NYSE:PFE – Get Free Report) traded up 0.4% during trading on Wednesday . The stock traded as high as $26.65 and ...