US STOCKS-Wall St drops as jobs report augurs for September rate hike
* July nonfarm payrolls rose 215,000 vs 223,000 estimate
* Major indexes end the week lower
* Traders price 52 percent chance for September rate hike
* Nvidia hits four-month high after revenue beats estimates
* Indexes end down: Dow 0.27 pct, S&P 0.29 pct, Nasdaq 0.26 pct (Updates to close, adds detail on valuations, earnings)
By Noel Randewich
Aug 7 (Reuters) - U.S. stocks ended lower on Friday after solid job growth data for July pried the door open a little wider for a potential interest rate hike by the Federal Reserve in September.
Wall Street took the latest signs of an improving economy as a fresh reason to sell shares in a market that has remained range-bound for much of 2015 in anticipation of the Fed's first rate hike in nearly 10 years.
U.S. nonfarm payrolls increased 215,000 last month, less than the 223,000 forecast by economists, but the unemployment rate held at a seven-year low of 5.3 percent. Continuación...