Squawk Box Europe Express

Chinese stocks rally to four-month highs with the CSI 300 marking its best day since February 2019 as investors bet on a re-opening boom following the COVID-19 pandemic. However, the WHO reports a record rise in infections, with the U.S. Sun Belt spiking and Spain re-imposing lockdowns in Catalonia and Galicia. In Germany, Commerzbank’s CEO and chairman both resign following a dispute with activist investors and unions. CNBC learns that an internal replacement is being considered. And in M&A news, Warren Buffett’s Berkshire Hathaway makes its first move since the onset of the pandemic – a $10bn bet on natural gas and storage assets at Dominion Energy.