Here's why Cathie Wood says it's a mistake to sell stay-at-home winners like Zoom and Roku

People pass by a video sign display with the logo for Roku, a Fox-backed video streaming company, Sept. 28, 2017.
Brendan McDermid | Reuters

Money manager Cathie Wood on Wednesday defended her flagship fund's holdings in a number of companies that have become known as stay-at-home stocks during the Covid pandemic.