The Biden administration says it is “monitoring the situation” as shares in companies including GameStop, AMC and BlackBerry surged in trading on Wednesday. Meanwhile, Wall Street’s big indexes dropped after Federal Reserve chairman Jay Powell described a weakening in the recovery of the US economy, and China’s Covid-19 vaccine makers are having no problem meeting demand. Plus, the FT’s investment correspondent, Attracta Mooney, has been following BlackRock’s sustainability efforts and reports on how well the world’s largest asset manager is keeping its promises. ‘Short squeeze’ spreads as day traders hunt next GameStophttps://www.ft.com/content/acc1dbfe-80a4-4b63-90dd-05f27f21ceb2Wall Street notches its worst day since Octoberhttps://www.ft.com/content/570f7453-fb9b-4c73-845e-a33178f4942eLex Letter from Seoul: China’s vaccines and efficacy rateshttps://www.ft.com/content/768f7e3a-0a10-47a5-9f0d-ea1927ebb4ecBlackRock’s sustainability ‘report card’ one year from Fink’s annual letterhttps://www.ft.com/content/d7e83ba0-c90b-46c0-9233-ad06187606c1Walmart turns to robot-staffed warehouses to handle online ordershttps://www.ft.com/content/1b1b11c8-200c-4f7c-a431-6460f90bb95d? See acast.com/privacy for privacy and opt-out information.