https://www.reuters.com/article/us-retail-trading-yellen/yellen-seeks-to-understand-deeply-gamestop-frenzy-as-market-regulators-meet-idUSKBN2A41TR

U.S. Treasury Secretary Janet Yellen said on Thursday that she and financial market regulators needed to "understand deeply" what happened in the recent trading frenzy involving GameStop Corp and other retail stocks before taking any action.