Top exhibitor AMC Entertainment offered a mixed third-quarter report card, with attendance records and an eye-opening $120 million in revenue from its Stubs A-List subscription program but also losses that were wider than Wall Street was expecting. Shares in AMC dropped 6% in after-hours trading. They closed at $18.13 during the regular trading session, down 1%. Diluted losses per share increased by 49 cents to 82 cents during the quarter, wider than the 33 cents a share…