WTI Slumps To 2-Week Lows After Biggest Crude Build In 20 Months By: TalkMarkets October 10, 2018 at 19:30 PM EDT WTI hovered below $73 ahead of tonight's API data and knee-jerked lower as the data hit. Read More >> Related Stocks: Ipath S&P GSCI Crude Oil TR Index Series B ETN Ultra Bloomberg Crude Oil 2X ETF United States Oil Fund