The most talked-about topic in financial markets these days is the dramatic rally in the benchmark S&P 500 equity index, whose 55 per cent rise since March 23 to an all-time high marks the fastest-ever recovery from a bear market, and one that continues to gain momentum despite the devastation wrought by Covid-19.What is less widely appreciated is that Chinese stocks have performed even better since the start of this year. While the S&P 500 is up 7.5 per cent, the CSI 300 index of China’s top…