Sinopec leased the 3.2 million-barrel supertanker TI Europe, above, to hold crude in storage, and plans to pick up more cargoes in the coming days. Euronav Big oil companies and traders are stashing millions of barrels of crude on massive tankers bobbing in the ocean, in a bid to profit from a quirk in oil markets. Instead of moving crude from one port to another, a growing number of tankers are serving as floating warehouses for companies including Sinopec Ltd. and Vitol Group, according to people with knowledge of their operations. Other companies such as Mercuria Energy Group are using the tankers to haul crude to on-shore storage facilities, these people said. In a rare split, crude is cheaper in the spot market than in the futures market, where bets are made on where prices will be in the months ahead. By buying physical stocks of oil and immediately […]