US STOCKS-Wall St higher after positive economic data
* July U.S. producer prices rise; industrial output up
* King Digital, El Pollo Loco slump as results disappoint
* J.C. Penney, Nordstrom rise after strong results
* Indexes up: Dow 0.2 pct, S&P 0.1 pct, Nasdaq 0.03 pct (Updates to open)
By Tanya Agrawal
Aug 14 (Reuters) - Wall Street was slightly higher on Friday as a raft of positive data pointed to a bullish signal for third-quarter economic growth.
The Dow and the S&P 500 were on track to post slight gains for the week, but the Nasdaq was poised to close flat in a choppy week that saw China devalue its currency, hitting markets and derailing predictions of a rate hike.
U.S. producer prices rose for a third straight month in July, suggesting the drag on inflation from weaker oil prices was easing, while industrial output advanced at its strongest pace in eight months in July.
Inflation has been persistently running below the Fed's 2 percent target. Continuación...