Stock Market Today: Good News on Pfizer Vaccine Keeps Investors Feeling Rosy

Early data showed a three-shot regimen for the Pfizer-BioNTech COVID-19 vaccine neutralized the omicron strain.

calendar showing COVID booster shot reminder
(Image credit: Getty Images)

Wednesday brought with it yet another positive development concerning the COVID omicron strain, but while it wasn't enough to drive a third day of aggressive gains, it was enough to keep many patches of the market in positive territory yet again.

This morning, Pfizer (PFE, -0.6%) and BioNTech (BNTX, -3.6%) said early data showed that a three-shot regimen (the original two shots and a booster) of their co-developed vaccine significantly neutralized the omicron strain, as compared to two shots alone.

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Kyle Woodley

Kyle Woodley is the Editor-in-Chief of WealthUp, a site dedicated to improving the personal finances and financial literacy of people of all ages. He also writes the weekly The Weekend Tea newsletter, which covers both news and analysis about spending, saving, investing, the economy and more.


Kyle was previously the Senior Investing Editor for Kiplinger.com, and the Managing Editor for InvestorPlace.com before that. His work has appeared in several outlets, including Yahoo! Finance, MSN Money, Barchart, The Globe & Mail and the Nasdaq. He also has appeared as a guest on Fox Business Network and Money Radio, among other shows and podcasts, and he has been quoted in several outlets, including MarketWatch, Vice and Univision. He is a proud graduate of The Ohio State University, where he earned a BA in journalism. 


You can check out his thoughts on the markets (and more) at @KyleWoodley.