People need medical care for emergencies in the middle of the night. People don't have the same need to trade 24/7. Matt Levine and others argue that shorter t

People need medical care for emergencies in the middle of the night. People don't have the same need to trade 24/7. Matt Levine and others argue that shorter trading hours would actually increase market liquidity. Synthesize market information outside of market hours, then trade during a shorter window: https://www.bloomberg.com/opinion/articles/2020-03-09/stuff-is-bad-so-stocks-are-down https://www.bloomberg.com/opinion/articles/2020-03-09/stuff-...