S&P 500 edges up 0.2% as tech gains ahead of Fed rate decision

The S&P 500 rose 0.2% in early Wednesday trading, while the Nasdaq composite gained 0.4%. Crude oil climbed more than 2% after an attack on a major Saudi Arabian refinery by Iran-backed Houthi rebels. Brent crude, the international benchmark, was also up almost 2% at $111.38 a barrel.