(Bloomberg) — The shutdown of a key oil-sands facility in Canada is flipping the global oil market on its head and slamming shares of producers that depend on the plant. Just as OPEC and allied producers agreed to pour more oil into global markets, a transformer blast first reported by Bloomberg News last week cut power to Alberta’s giant Syncrude plant, which turns heavy crude into synthetic light oil for U.S. markets. As less oil flows from up north, traders are paying a record premium for crude at America’s biggest distribution hub in Cushing, Oklahoma. Globally, the gap between Brent crude and West Texas Intermediate is narrowing rapidly after widening for months. Goldman Sachs Group Inc. called the shutdown the most dramatic event in the oil market last week, as opposed to OPEC’s meeting in Vienna. Shares of Suncor Energy Inc., which controls the plant, plunged the most in […]