Mumbai, Nov. 13 -- The key equity benchmarks ended lower on Friday, snapping a three-session winning streak as rising crude oil prices and weak global cues dampened investor sentiment. Brent crude advanced amid fading hopes of a near-term resolution to the Iran conflict, while higher US Treasury yields strengthened the dollar and fuelled concerns over further Federal Reserve rate hikes.

Sentiment also remained fragile amid uncertainty surrounding Nvidia CEO Jensen Huang's reported sudden resignation, which added to concerns over the artificial intelligence sector. The Nifty settled below the 25,150 mark. All sectoral indices on the NSE ended in negative territory, with realty, auto and metal stocks leading the losses.

The S&P BSE Sensex...