The Dow sank 127 points to 13,869 shortly before midday Thursday, a loss of almost 1 percent.
The Standard & Poor's 500 index was off 12 points at 1,500 and the Nasdaq composite gave up 27 points to 3,141.
The pullback comes after a strong rally at the beginning of the year pushed indexes to their highest levels since the financial crisis. The Dow closed above 14,000 on Friday for the first time since 2007. It's still up 5.8 percent for the year.
Rupert Murdoch's News Corp. fell 2.5 percent after the media conglomerate cut its forecast for annual earnings.