(Adds U.S. market close)
* Stocks mixed amid contradictory economic datapoints
* Oil skids nearly 4%
* Treasuries flat, USD inches up
By Lawrence Delevingne
BOSTON, Aug 4 (Reuters) – Stocks, Treasuries and other major markets were mixed on Wednesday after July data showed that U.S. jobs growth slowed but demand for services increased, all as Federal Reserve officials signaled a likely pullback in market support.
After powering to a record high on Tuesday from strong earnings, the S&P 500 lost 20.46 points, or 0.46%, to close Wednesday at 4,402.69, and the Dow Jones Industrial Average fell 323.34 points, or 0.92%, to 34,793.06.
At the same time, the Nasdaq Composite added 19.24 points, or 0.13%, to 14,780.53, with big technology stocks such as Netflix Inc, Amazon.com Inc and Facebook Inc outperforming.
U.S. private payrolls increased far less than expected in July, likely constrained by…