CNBC | Trump vs. OPEC: Oil traders must now 'rigorously check' Twitter to monitor simmering feud CNBC In a tweet sent during a key meeting between Saudi-led oil producers and Russia on Friday, Trump criticized OPEC for "artificially" propping up prices. He also warned the oil cartel that its actions were "no good" and "would not be accepted" by the ... Oil falls after US signal on Russia sanctions batters commods Oil Drops With Other Commodities as US Softens Rusal Stance Oil prices fall as traders watch US supply, dollar |