Traders Peter Tuchman, left, and Patrick Casey work on the floor of the New York Stock Exchange, Thursday, Feb. 8, 2018.
Traders Peter Tuchman, left, and Patrick Casey work on the floor of the New York Stock Exchange, Thursday, Feb. 8, 2018. Richard Drew AP
Traders Peter Tuchman, left, and Patrick Casey work on the floor of the New York Stock Exchange, Thursday, Feb. 8, 2018. Richard Drew AP