With three coronavirus vaccines already approved for emergency use authorization in the U.S., how do the different available shots compare? Pfizer and Moderna's COVID vaccines have been available in ...

The smaller, more volatile of these two companies has higher potential for significant gains. However, that also comes with a healthy dose of risk. Choosing between these two stocks may come down to ...

Amid uncertainty over how the Trump administration would approach mRNA COVID-19 vaccines for the upcoming respiratory virus season, the FDA has approved updated shots from Pfizer and Moderna. But ...

Add Yahoo as a preferred source to see more of our stories on Google. Illustration of COVID-19 vaccine vial (Reuters) -Pfizer and Moderna on Wednesday defended their COVID-19 vaccines as having saved ...

Pfizer is by far the larger and better-established drugmaker. With a market cap of $156 billion, the pharmaceutical leader boasts a deep product portfolio across several therapeutic areas. Even with a ...