Oil retreats as surprise jump in U.S. stockpiles hints at glut Posted on January 1, 1970March 10, 2019 by Costa Oil - 10 Minute Oil Change Oil retreats as surprise jump in U.S. stockpiles hints at glut Oil retreated for the second day in a row after U.S. crude stockpiles ballooned, casting a shadow over OPEC’s efforts to avert a global glut. Sending User Review 0 (0 votes)