Does Pfizer's COVID-19 Vaccine Make the Big Pharma Stock a Buy?

Any good news in the race to develop a COVID-19 vaccine garners plenty of attention. That's exactly what happened last week after Pfizer (NYSE: PFE) and BioNTech (NASDAQ: BNTX) announced preliminary results from a phase 1 study of COVID-19 vaccine BNT162b1.

It's not surprising that Pfizer stock jumped on the positive news. But does the potential for its COVID-19 vaccine really make the big pharma stock a buy?

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Source Fool.com