The oil supply surplus is “starting to reverse,” according to a new report from Bank of America Merrill Lynch. The investment bank noted that oil prices had collapsed in late 2018 not only because of an oversupply problem, but also because of other “non-fundamental factors,” including the selloff of long positions by hedge funds and other market managers, as well as by fear and uncertainty in broader financial markets. Still, the bottom line was that the oil market saw a glut once again emerge in the fourth quarter. However,…