Heed The Warning By: TalkMarkets February 27, 2018 at 08:21 AM EST From glut to shortages. During downturns in major commodity markets there is a tendency to get all doomy and gloomy about the future and get locked into a lower than longer mentality. Read More >> Related Stocks: Royal Dutch Shell Plc ADR US Gasoline iPath Dow Jones-Goldman Sachs Crude Oil Fund