Oil At Six-Year Low: Could Prices Keep Sinking? By: Benzinga via Benzinga August 20, 2015 at 08:39 AM EDT Oil has had a tough year after geopolitical problems and economic slowdowns created a massive global supply glut that has shown no ... Read More >> Related Stocks: Citigroup Energy ETF Vanguard Exxon Mobil iPath Dow Jones-Goldman Sachs Crude Oil Fund