KEY POINTS
  • Microsoft was among the worst-performing stocks on the Dow, falling 2.4 percent.
  • Qualcomm was the worst-performing stock in the S&P 500, falling 5 percent.
  • "The worry is with the Tillerson ouster and Broadcom blockage from the Trump administration that this will add fuel to the fire in a battle versus China," says one analyst.

Stocks fell in choppy trade Tuesday after tech shares pulled back amid concerns trade tensions between the U.S. and China could increase.

The Dow Jones industrial average closed 171.58 points lower at 25,007.03. The 30-stock index climbed 197.79 points at its session high. Microsoft was among the worst-performing stocks on the Dow, falling 2.4 percent.