BUZZ — MGM Resorts falls after People Inc withdraws bid

* MGM Resorts' shares fall about 9% to $34.50 in extended trading * Media mogul Barry Diller's People Inc says it withdraws bid for MGM * Diller's People Inc proposed in June to buy MGM, valuing co at more than $18 billion * People Inc says it remains open to strategic transaction and alternatives with MGM * People's chairman Barry Diller said, "We didn't feel the mix was coming together in the way we had hoped..." * People continues to hold 26% stake in MGM, as per statement * Up to Wednesday's close, stock had fallen about 18% YTD (Reporting by Angela Christy M) ((AngelaChristy.M@thomsonreuters.com)