The exchange will move to fully electronic trading. The NYSE equities trading floor in New York will close, along with the NYSE American Options trading floor in New York and the NYSE Arca Options trading floor in San Francisco. Trading securities will continue without interruption, the NYSE said, and full electronic trading will begin on Monday, March 23. According to reporting by CNBC , the closure was in part prompted by a NYSE employee testing positive for the coronavirus; NYSE did not immediately return a request for confirmation. reporting by CNBC At the close of markets on Wednesday afternoon, the Dow Jones Industrial Average was down dropped 6.3%, nearly 2,000 points.

Source: Forbes March 18, 2020 21:02 UTC