Morgan Stanley (MS) ’s failure to complete the sale of its oil storage, trading and transport unit shows the chilling effect U.S. sanctions are having on Russian companies including OAO Rosneft. The U.S. bank and Rosneft, the Russian state-owned oil giant, said Monday that their deal, for an undisclosed amount, had expired after the companies failed to win regulatory approval. Morgan Stanley had warned in October that the agreement might not be completed. U.S. sanctions against Rosneft explicitly prohibit selling certain oil-exploration equipment to the company or giving it long-term debt financing. The sale of Morgan Stanley’s oil-trading unit didn’t appear to trigger those prohibitions. Even so, such a sale would have undercut the broader U.S. goal of isolating the energy company. “It’s appropriate to stop deals with companies that have been targeted in one form or another,” said David Kramer, a former U.S. assistant secretary of state and […]