JOHANNES EISELE/AFP/Getty Images US stocks wavered on Friday as new commentary from the White House cut into hopes for pre-election stimulus. While House Speaker Nancy Pelosi indicated a bill could still be approved before Election Day, Treasury Secretary Steven Mnuchin noted that "significant differences" remain between each side's respective proposals. The tepid session led the S&P 500 to post its first weekly loss in three weeks. Oil sank after Libya announced it will lift production. West Texas Intermediate crude sank as much as 2.6% to $39.57 per barrel.