WTI Plunges Below $50 On Biggest Inventory Build In 6 Months By: TalkMarkets October 13, 2016 at 12:41 PM EDT While Production dropped very modestly on the week, WTI plunged off an early high back below $50. Read More >> Related Stocks: US Gasoline United States Oil Fund iPath Dow Jones-Goldman Sachs Crude Oil Fund