3 Things You Should Expect in Pfizer's Q4 Earnings Update

Pfizer (NYSE: PFE) gave good news and bad news when it reported third-quarter results in October. The big drugmaker beat Wall Street's earnings estimates, but it missed on revenue expectations.

Another quarterly update is just around the corner. On Tuesday, Jan. 29, Pfizer will announce its fourth-quarter and full-year 2018 results.