FILE - In this Feb. 5, 2021, file photo, Treasury Secretary Janet Yellen speaks during a virtual roundtable with participants from Black Chambers of Commerce across the country to discuss the American Rescue Plan in Washington. Last year’s coronavirus-triggered market turmoil exposed vulnerable areas in the U.S. economy that need to be addressed by the nation's top-level financial supervisory group, Yellen said Wednesday, March 31, 2021. (AP Photo/Jacquelyn Martin, File)