Since the proposed transaction with AstraZeneca looks like it's going to fall through, one of the big things that Pfizer (PFE 1.60%) investors will want to know is simple: What's next?

One good way for an investor to look at a pharma company's future is by examining its pipeline. And once a drug in that pipeline looks interesting, it's important to be aware of the market size, competitors, and possible issues with safety and efficacy.

In this video, from Where the Money Is, the Motley Fool's investing show, health care analysts Michael Douglass and David Williamson lay out Pfizer's  opportunity with bococizumab, a new PCSK9 drug, and note the issues ahead for Pfizer and competitors like Sanofi (SNY -0.27%) and Regeneron's (REGN -0.13%) alirocumab.