CNBC | Oil prices fall on skepticism over deal to freeze output CNBC Oil futures sank more than 2 percent on Friday to below $40 per barrel, with the market growing increasingly skeptical that a looming deal to freeze crude production can help clear a global glut. Brent crude for June delivery fell 96 cents, or 2.4 ... Oil Prices Decline on Saudi Prince Comments About Output Freeze What The Conventional Wisdom Gets Wrong About The Oil Freeze Oil falls back under $40 a barrel on Saudi output doubt |