Indexes extend losses; S&P falls one percent
Oil prices slid more than $4 a barrel, dragging down shares of major energy companies. Exxon Mobil Corp was down 2 percent at $70.48.
The Dow Jones industrial average dropped 56.76 points, or 0.62 percent, to 9,039.96. The Standard & Poor's 500 Index fell 7.72 points, or 0.79 percent, to 971.90, after dropping 1.02 percent to a session low at 969.73. The Nasdaq Composite Index dropped 14.77 points, or 0.75 percent, to 1,960.74.
(Reporting by Caroline Valetkevitch; Editing by Jan Paschal)