
Oil prices settled slightly lower on Friday, the year’s last trading day, but attained their biggest annual gain since 2009, after OPEC and partners agreed to cut output to reduce a supply overhang that has depressed prices for two years. A two-rig rise in the oil rig count in the United States, the ninth weekly increase in a row, as reported by oilfield services provider Baker Hughes Inc (BHI.N), added...
»