Physical oil rally pauses due to weak margins

LONDON/MOSCOW (Reuters) - After weeks of rising, prices of physical oil have begun to ease, traders and analysts say, as the rally succumbs to the reality of poor refinery margins and brimming storage tanks.Refinery runs in Europe and China have been cut to allow time to sell off supplies of refined products before processing stored crude which is also stored in abundance, making the purchase of new oil shipments less attractive.Meanwhile, refining profits for products have improved slightly but..