US STOCKS-Wall St inches up as investors focus on economic growth
* 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: Dow up 0.2 pct, S&P up 0.09 pct, Nasdaq down 0.1 pct (Adds details, changes comment, updates prices)
By Tanya Agrawal
Aug 14 (Reuters) - Wall Street was mostly higher on Friday as a raft of positive economic data indicated a healthy start to the third quarter.
The Dow and the S&P 500 were on track to post slight gains for the week, but the Nasdaq was set to close flat in a choppy week during which China devalued 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...