The Dow Jones Industrial Average is displayed on the floor of the New York Stock Exchange (NYSE) in New York City, New York, U.S., March 11, 2020. REUTERS/Andrew Kelly 

The Dow Jones Industrial Average is displayed on the floor of the New York Stock Exchange (NYSE) in New York City, New York, U.S., March 11, 2020. REUTERS/Andrew Kelly 

The Dow Jones Industrial Average is displayed after the opening bell on the floor of the New York Stock Exchange (NYSE) in New York City, New York, U.S., March 11, 2020. REUTERS/Andrew Kelly 

A dip in the Dow Jones Industrial Average is displayed on the floor of the New York Stock Exchange (NYSE) in New York City, New York, U.S., March 10, 2020. REUTERS/Andrew Kelly 

The Dow Jones Industrial Average is displayed after the closing bell on the floor of the New York Stock Exchange (NYSE) in New York City, New York, U.S., March 10, 2020. REUTERS/Andrew Kelly 

The Dow Jones Industrial Average is displayed after the closing bell on the floor of the New York Stock Exchange (NYSE) in New York City, New York, U.S., March 10, 2020. REUTERS/Andrew Kelly 

The Dow Jones Industrial Average is displayed after the opening bell on the floor of the New York Stock Exchange (NYSE) in New York City, New York, U.S., March 10, 2020. REUTERS/Andrew Kelly 

The Dow Jones Industrial Average is displayed after the closing bell on the floor of the New York Stock Exchange (NYSE) in New York City, New York, U.S., March 6, 2020. REUTERS/Andrew Kelly 

The Dow Jones Industrial Average is displayed after the closing bell on the floor of the New York Stock Exchange (NYSE) in New York City, New York, U.S., March 6, 2020. REUTERS/Andrew Kelly 

The Dow Jones Industrial Average is displayed after the closing bell on the floor of the New York Stock Exchange (NYSE) in New York City, U.S., March 6, 2020. REUTERS/Andrew Kelly 

The Dow Jones Industrial Average is displayed after the opening bell on the floor of the New York Stock Exchange (NYSE) in New York City, U.S., March 6, 2020. REUTERS/Andrew Kelly 

The Dow Jones Industrial Average is displayed after the closing bell on the floor of the New York Stock Exchange (NYSE) in New York City, U.S., March 5, 2020. REUTERS/Andrew Kelly 

A screen displaying the movement of the Dow Jones Industrial Average is seen after the closing bell on the floor of the New York Stock Exchange (NYSE) in New York City, U.S., March 5, 2020. REUTERS/Andrew Kelly 

The Dow Jones Industrial Average is displayed after the closing bell on the floor of the New York Stock Exchange (NYSE) in New York City, U.S., March 5, 2020. REUTERS/Andrew Kelly 

The Dow Jones Industrial Average is displayed after the opening bell on the floor of the New York Stock Exchange (NYSE) in New York City, U.S., March 5, 2020. REUTERS/Andrew Kelly 

A graph displays the movement of the Dow Jones Industrial Average after the opening bell on the floor of the New York Stock Exchange (NYSE) in New York City, U.S., March 5, 2020. REUTERS/Andrew Kelly 

A graph displays the movement of the Dow Jones Industrial Average after the opening bell on the floor of the New York Stock Exchange (NYSE) in New York City, U.S., March 5, 2020. REUTERS/Andrew Kelly 

A screen displays the Dow Jones Industrial Average after the closing bell on the floor of the New York Stock Exchange (NYSE) in New York, U.S., March 4, 2020. REUTERS/Brendan McDermid 

A screen displays the Dow Jones Industrial Average after the closing bell on the floor of the New York Stock Exchange (NYSE) in New York, U.S., March 4, 2020. REUTERS/Brendan McDermid 

A screen displays the Dow Jones Industrial Average after the closing bell on the floor of the New York Stock Exchange (NYSE) in New York, U.S., March 4, 2020. REUTERS/Brendan McDermid 

A graph displays the movement of the Dow Jones Industrial Average after the closing bell on the floor of the New York Stock Exchange (NYSE) in New York City, New York, U.S., March 3, 2020. REUTERS/Andrew Kelly 

A screen displays the Dow Jones Industrial Average after the closing bell on the floor of the New York Stock Exchange (NYSE) in New York City, New York, U.S., March 3, 2020. REUTERS/Andrew Kelly 

A screen displays the Dow Jones Industrial Average after the closing bell on the floor of the New York Stock Exchange (NYSE) in New York City, New York, U.S., March 3, 2020. REUTERS/Andrew Kelly 

A screen displays the Dow Jones Industrial Average after the closing bell on the floor of the New York Stock Exchange (NYSE) in New York City, New York, U.S., March 3, 2020. REUTERS/Andrew Kelly 

A screen displays the Dow Jones Industrial Average after the closing bell on the floor of the New York Stock Exchange (NYSE) in New York City, New York, U.S., March 3, 2020. REUTERS/Andrew Kelly 

A screen displays the Dow Jones Industrial Average after the closing bell on the floor of the New York Stock Exchange (NYSE) in New York, U.S., March 2, 2020. REUTERS/Brendan McDermid 

A screen displays the Dow Jones Industrial Average after the closing bell on the floor of the New York Stock Exchange (NYSE) in New York, U.S., March 2, 2020. REUTERS/Brendan McDermid 

A screen displays the Dow Jones Industrial Average after the closing bell on the floor of the New York Stock Exchange (NYSE) in New York, U.S., March 2, 2020. REUTERS/Brendan McDermid 

A screen shows the Dow Jones Industrial Average during trading on the floor at the New York Stock Exchange (NYSE) in New York, U.S., February 28, 2020. REUTERS/Brendan McDermid 

A screen shows the Dow Jones Industrial Average after the close of trading on the floor at the New York Stock Exchange (NYSE) in New York, U.S., February 27, 2020. REUTERS/Brendan McDermid 

A screen displays the Dow Jones Industrial Average after the closing bell on the floor at the New York Stock Exchange (NYSE) in New York, U.S., February 24, 2020. REUTERS/Brendan McDermid 

A screen displays the Dow Jones Industrial Average after the closing bell on the floor at the New York Stock Exchange (NYSE) in New York, U.S., February 24, 2020. REUTERS/Brendan McDermid 

Numbers showing the state of the Dow Jones Industrial Average are displayed above the floor after the closing bell at the New York Stock Exchange (NYSE) in New York City, U.S., February 21, 2020. REUTERS/Andrew Kelly 

Numbers showing the state of the Dow Jones Industrial Average are displayed above the floor after the closing bell at the New York Stock Exchange (NYSE) in New York City, U.S., February 21, 2020. REUTERS/Andrew Kelly 

Numbers showing the state of the Dow Jones Industrial Average are displayed above the floor after the closing bell at the New York Stock Exchange (NYSE) in New York City, U.S., February 21, 2020. REUTERS/Andrew Kelly 

Numbers showing the state of the Dow Jones Industrial Average are displayed above the floor of the New York Stock Exchange shortly after the opening bell in New York, U.S., January 24, 2020. REUTERS/Lucas Jackson 

A screen displays the Dow Jones Industrials Average after the close on the floor at the New York Stock Exchange (NYSE) in New York, U.S., January 15, 2020. REUTERS/Brendan McDermid 

A screen displays the Dow Jones Industrials Average after the close on the floor at the New York Stock Exchange (NYSE) in New York, U.S., January 15, 2020. REUTERS/Brendan McDermid 

A screen displays the Dow Jones Industrials Average after the close on the floor at the New York Stock Exchange (NYSE) in New York, U.S., January 9, 2020. REUTERS/Brendan McDermid 

A screen displays the Dow Jones Industrials Average after the close on the floor at the New York Stock Exchange (NYSE) in New York, U.S., January 9, 2020. REUTERS/Brendan McDermid 

A screen displays the Dow Jones Industrials Average after the close on the floor at the New York Stock Exchange (NYSE) in New York, U.S., January 8, 2020. REUTERS/Brendan McDermid 

A screen shows the Dow Jones Industrial Average after the closing bell on the floor at the New York Stock Exchange (NYSE) in New York, U.S., December 17, 2019. REUTERS/Brendan McDermid 

A screen displays the Dow Jones Industrial Average shortly after the opening bell at the New York Stock Exchange (NYSE) in New York, U.S., November 18, 2019. REUTERS/Brendan McDermid 

The Dow Jones Industrial Average is displayed on the trading floor at the New York Stock Exchange (NYSE) in New York City, U.S., September 3, 2019. REUTERS/Andrew Kelly 

The Dow Jones Industrial average index is displayed at the opening of the day's trading on the trading floor at the New York Stock Exchange (NYSE) in New York City, U.S., August 26, 2019. REUTERS/Andrew Kelly 

Passersby are reflected on an electronic board showing the exchange rates between the Japanese yen and the U.S. dollar, the yen against the euro, the yen against the Australian dollar, Dow Jones Industrial Average and other market indices outside a brokerage in Tokyo, Japan, August 6, 2019. REUTERS/Issei Kato 

A screen displays the Dow Jones Industrial Average after the closing at the New York Stock Exchange (NYSE) in New York, U.S., August 5, 2019. REUTERS/Brendan McDermid 

A screen displays the Dow Jones Industrial Average after the closing at the New York Stock Exchange (NYSE) in New York, U.S., August 5, 2019. REUTERS/Brendan McDermid 

A chart tracks the Dow Jones Industrial Average following the U.S. Federal Reserve interest rates announcement as traders work on the floor of the New York Stock Exchange (NYSE) in New York, U.S., July 31, 2019. REUTERS/Brendan McDermid 

A chart tracks the Dow Jones Industrial Average following the U.S. Federal Reserve interest rates announcement as traders work on the floor of the New York Stock Exchange (NYSE) in New York, U.S., July 31, 2019. REUTERS/Brendan McDermid 

A screen displays a chart that tracks the Dow Jones Industrial Average on the floor at the New York Stock Exchange (NYSE) in New York, U.S., July 16, 2019. REUTERS/Brendan McDermid 

Numbers showing the rise of the Dow Jones Industrial Average above 27,000 are displayed on a screen above the floor of the New York Stock Exchange shortly after the opening bell in New York, U.S., July 12, 2019. REUTERS/Lucas Jackson 

A screen displays the Dow Jones Industrial Average after the close of trading on the floor at the New York Stock Exchange (NYSE) in New York, U.S., June 4, 2019. REUTERS/Brendan McDermid 

A screen displays the Dow Jones Industrial Average after the close of trading on the floor at the New York Stock Exchange (NYSE) in New York, U.S., June 4, 2019. REUTERS/Brendan McDermid 

A screen tracks the Dow Jones Industrial average during the trading day on the floor at the New York Stock Exchange (NYSE) in New York, U.S., May 29, 2019. REUTERS/Brendan McDermid 

A screen displays the Dow Jones Industrial Average after the close of trading on the floor of the New York Stock Exchange (NYSE) in New York, U.S., April 13, 2019. REUTERS/Brendan McDermid 

A screen displays the Dow Jones Industrial Average after the close of trading on the floor of the New York Stock Exchange (NYSE) in New York, U.S., April 13, 2019. REUTERS/Brendan McDermid 

A screen displays a chart of the Dow Jones Industrial Average on the floor of the New York Stock Exchange (NYSE) in New York, U.S., May 9, 2019. REUTERS/Brendan McDermid 

A screen displays a chart of the Dow Jones Industrial Average during trading on the floor of the New York Stock Exchange (NYSE) in New York, U.S., April 9, 2019. REUTERS/Brendan McDermid 

A screen displays a chart of the Dow Jones Industrial Average during trading on the floor of the New York Stock Exchange (NYSE) in New York, U.S., April 4, 2019. REUTERS/Brendan McDermid