The queue of ships waiting outside Europe’s biggest port and oil-trading hub of Rotterdam has grown to the longest in seven years as a global supply glut fills storage capacity. As many as 50 oil tankers, twice as many as normal, are waiting outside Rotterdam because storage sites are almost full, the port’s spokesman Tie Schellekens said by phone on Tuesday. “This is a clear sign of the oversupply filling up storage to the brim,” Gerrit Zambo, an oil trader at Bayerische Landesbank in Munich, said by phone. “People are preferring to store oil rather than cut production. These are bearish signs.” The world is so awash with oil that BP Plc Chief Executive Officer Bob Dudley said last month people will be filling up their “ swimming pools ” with it this year. Traders are taking advantage of a market contango, where forward prices are higher than current […]