NEW YORK—Wall Street’s best week since March ran out of steam Friday as worries rose about the U.S. government’s efforts to avoid a potentially disastrous default on its debt.
The S&P 500 slipped 6.07 points, or 0.1 percent, to 4,191.98. The Dow Jones Industrial Average fell 109.28, or 0.3 percent, to 33,426.63, while the Nasdaq composite gave up 30.94, or 0.2 percent, to 12,657.90.
