Tech companies lead Wall Street down at the close
US stocks ended down on the last day of trading for 2016.
Microsoft was the worst faller on the Dow, losing 1.17%.
Apple shares fell 0.8% on a report that the company will cut iPhone production.
The Dow posted its first weekly decline since the US election, but overall in the year the benchmark index has gained 13.4%, while the S&P 500 has made an annual gain of 9.5%