Investor's Business Daily | US crude plunges, posting its worst daily performance in over a year CNBC Oil prices went into free fall on Wednesday afternoon, plunging on a raft of bearish news and posting their worst performance in over a year. Crude futures briefly ... US oil sees steepest one-day percentage decline in more than a year Oil Prices Tank As Trump Trade War Trumps Massive Supply Drop Oil Tumbles on Libya's Returning Supply |