CNBC | US crude plunges 4.2%, settling at $66.43, in biggest daily loss in three months CNBC Oil prices fell more than 4 percent on Tuesday, pressured by stock market weakness and vows by top oil exporter Saudi Arabia to meet the demands of the world's oil consumers. International benchmark Brent crude fell by $3.70 a barrel, down 4.6 percent, ... Will The Oil Bulls Finally Get One Over On The Bears? Oil Drops Nearly 5% as Saudi Arabia Pledges Higher Output Oil down 3 percent as Saudi Arabia eases concerns, Wall Street drops |