Shoppers spend less as U.S. cases of the delta Covid variant surge: CNBC After Hours

CNBC.com's MacKenzie Sigalos brings you the day's top business news headlines. On today's show, CNBC.com's big-box retail reporter Melissa Repko breaks down earnings from Walmart and Home Depot, and how the delta Covid variant could be slowing consumer spending. Plus, Ark Invest's Cathie Wood calls out Michael Burry of 'The Big Short' after he bets against her innovation fund.