Some of the world’s biggest banks say the collapse in oil is just about over. Bank of America Corp. and BNP Paribas SA predict prices will hold above $80 a barrel. Commerzbank AG also sees that level as a possible low for Brent crude . They’re in part counting on OPEC cutting output — some say as soon as next month — to compensate for recent declines in demand. North Sea Brent, the benchmark for more than half the world’s oil, has slid by more than $30 a barrel from its June high, closing yesterday at $83.78 a barrel, amid a supply glut and slower global growth. Ministers from the 12-member Organization of Petroleum Exporting Countries will meet in Vienna on Nov. 27 to discuss production and price levels. “We are almost at the floor,” Harry Tchilinguirian , head of commodity markets strategy at BNP Paribas in London, said […]