Bullish option flow detected in Pfizer (PFE) with 70,941 calls trading, 1.3x expected, and implied vol increasing over 1 point to 23.18%.

Animal health company Zoetis (NYSE:ZTS) will be reporting results tomorrow before market open. Here’s what to look for.

Pfizer faces revenue decline from patent expirations, profitability challenges, and bearish technicals. Learn why PFE stock ...