Oil prices pushed higher for a second day on Wednesday, buoyed by sanctions-related supply risks, hopes of a U.S.-China trade deal and news that the U.S. is seeking oil for delivery to its strategic reserves. Brent crude futures rose 18 cents, or 0.29%, to $61.50 a barrel as of 0137 GMT, while U.S. West Texas Intermediate crude futures climbed 21 cents, or 0.37%, to $57.45. Oil has bounced