CNBC | Oil prices drop as escalating trade war clouds demand outlook CNBC Oil markets dropped on Tuesday as the latest escalation in the Sino-U.S. trade war clouded the outlook for demand, although concerns over tightening supply offered prices some support. Brent crude futures had declined 27 cents, or 0.35 percent, to $77 ... Oil Prices Trade Slightly Lower Oil near flat as market weighs US-China trade tensions, Iran sanctions Oil posts a modest loss on US-China trade worries |