Pedestrians walk past the BSE building in Mumbai, on March 21, 2020. (Photographer: Dhiraj Singh/Bloomberg)
India is in lockdown to halt the spread of Covid-19, and people are asking whether the stock markets should remain open. My answer is simple: the stock markets should remain open at least as long as the banks and ATMs are open; in fact, they should shut just before the online payment systems go down. There might be some short-lived extreme emergencies in which it would be appropriate to shut down the entire financial sector—including...