U.S.-based casino operators Las Vegas Sands Corp LVS.N, Wynn Resorts Ltd WYNN.O and MGM Resorts International MGM.N were off between 3% and 8%. By Stephen Culp NEW YORK, Sept 15 (Reuters) - Wall Street stocks advanced on Wednesday as surging crude prices boosted energy shares and a swath of U.S. data suggested inflation has crested and an economic revival has become increasingly certain. "The main factor in that move between growth and value is COVID and the Delta variant and its impact on the economy," said Tim Ghriskey, chief investment strategist at Inverness Counsel in New York.