WRAPUP 1-MGM Mirage posts 1st-qtr loss, Sands has profit

Sands falls 7 pct in regular trade, 1.8 pct after hrs LOS ANGELES, May 6 (Reuters) - MGM Mirage MGM.N, hamstrung by a slow opening for its Las Vegas CityCenter joint venture, posted a wider-than-expected first-quarter loss on Thursday, while rival Las...