Crude Oil Sinks 20%: Why "Oversupply" Isn't The Half Of It By: TalkMarkets June 28, 2017 at 08:16 AM EDT Oil bulls had been served the ultimate bullish advantage on a black-gold platter; namely, the first major oil supply cut in eight years. Read More >> Related Stocks: United States Oil Fund iPath Dow Jones-Goldman Sachs Crude Oil Fund