FINANCIAL markets around the world are increasingly nervous due to the Covid-19 epidemic. The moods are continuously zigzagging between optimism and pessimism. The elusive nature of Covid-19, which still confounds virologists, is also wreaking havoc on market sentiment.

Economic projections are also becoming grimmer. The S&P Global Ratings predicted that China’s economic growth this year will drop to 4.4 percent if the epidemic is not