US STOCKS-Wall St set for first weekly gain of 2016 as oil soars
* Crude up as cold wave boosts short-term demand
* Apple rises after Piper Jaffray says buy
* GE, American Express biggest losers on Dow
* Indexes up: Dow 0.87 pct, S&P 1.52 pct, Nasdaq 2.01 pct (Updates to early afternoon)
By Abhiram Nandakumar
Jan 22 (Reuters) - Wall Street rallied on Friday, heading toward its first positive week of 2016, as a cold snap in the United States and Europe helped send oil prices surging for a second day.
All 10 major S&P sectors were in the black, led by a 3.34 percent jump in energy stocks.
Crude prices, still under pressure from a global glut, were up nearly 8 percent as freezing conditions and snowstorms boosted short-term demand for heating oil and traders cashed in their short positions.
European Central Bank President Mario Draghi's comments on Thursday suggesting that the bank could ease its monetary policy at its March meeting also encouraged investors bruised by a brutal selloff that began at the start of 2016. Continuación...