(CNBC) U.S. stocks finished 2016 with a thud on Friday after all three major indexes ended the year with three straight days of losses for the first time since Nov. 4.
The Dow, S&P 500 and NASDAQ Composite all finished the year higher, however.
The market weakened further as traders speculated that a large number of orders to sell had been placed. Art Cashin, director of floor operations at UBS, said the selling orders totaled about $1.2 billion.
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