US STOCKS-S&P 500, Dow slip on oil; data stokes rate hike talk
* Core CPI data points to firming inflation trends
* Crude falls 4 pct; energy, materials lead losses
* Applied Materials jumps on outlook, props Nasdaq
* Dow down 0.31 pct, S&P down 0.15 pct, Nasdaq up 0.39 pct (Updates to early afternoon)
By Abhiram Nandakumar
Feb 19 (Reuters) - The Dow and S&P 500 slipped on Friday as a renewed slide in oil prices weighed on energy and materials stocks and prospects of a rate hike this year were rekindled by data pointing to firmer inflation trends.
The Nasdaq eked out a gain, led by heavyweights Amazon and Facebook and as Applied Materials jumped 9.4 percent on the chip equipment provider's buoyant forecast.
Seven of the 10 major S&P sectors were lower. The energy sector fell 1.63 percent and the materials sector dropped 1 percent.
Still, all three major indexes were set to post their best weekly performance this year, with Nasdaq poised for its biggest weekly gain since July. Continuación...