$MGM The performance of U.S. regional properties, which account for around 30% of reported EBITDAR, is likely to have been affected by MGM Springfield’s slower ramp and softer-than-estimated revenue from the Empire City and Northfield Park properties, the Morgan Stanley analyst said. “While some of the 2Q issues are transitory, we are concerned that weaker Vegas baccarat trends and lower returns on new properties will continue."