This Oklahoma City May Be OPEC's Biggest Enemy By: Benzinga via Benzinga December 15, 2016 at 10:44 AM EST The combined might of some of the world's largest oil producers should be afraid of a tiny town in Oklahoma called Cushing. Cushing, ... Read More >> Related Stocks: Energy Select Sector SPDR US Brent Oil United States Oil Fund iPath Dow Jones-Goldman Sachs Crude Oil Fund