CNBC | Oil choppy on profit-taking; set for 8% weekly gain CNBC Crude prices swung back and forth in choppy trade on Friday as traders closed positions at the end of a week that saw prices briefly rising by the most in over six years earlier in the session. Market participants flipflopped between the negative ... US Oil Prices Hover Around $50 a Barrel Oil prices rally on Mideast tensions Oil losing grip on $50, but still set for weekly gain |