U.S. Dow Jones milestone

Trader Peter Tuchman, who works on the floor at the New York Stock Exchange, celebrates on December 21, 2016, as the Dow appears to inch closer to the historic milestone of 20,000, which it would eventually hit the next month on Jan. 25, 2017.
Trader Peter Tuchman, who works on the floor at the New York Stock Exchange, celebrates on December 21, 2016, as the Dow appears to inch closer to the historic milestone of 20,000, which it would eventually hit the next month on Jan. 25, 2017. (Andrew Kelly/Reuters)

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