CNBC's MacKenzie Sigalos brings you the day's top business news headlines. On today's show, Meg Tirrell breaks down the CDC's newest guidelines for fully vaccinated people. Plus, Robert Frank explains NFTs.

00:00 -- Intro
0:30 -- Nasdaq roars back 3.7%
1:08 -- New study finds Pfizer's vaccine can neutralize Brazilian variant
3:53 -- CNBC Soundcheck
5:35 -- The NFT boom
8:56 -- Numbers round

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