In October of 2003, MGM Mirage said it would partner with Earls Court and Olympia Group to build a $255 million casino in London's Olympia Exhibition Centre. Meanwhile, Caesars Entertainment ( CZR ), which is being acquired by Harrah's, last October announced plans for a $600 million gambling and entertainment complex next to London's Wembley Stadium. And Bahamas-based Kerzner International ( KZL) has plans to develop three casino resorts around the U.K. Casino stocks were mixed Wednesday. Harrah's slid 14 cents, or 0.2%, to $63.86, while Kerzner fell 79 cents, or 1.3%, to $60.38. But Caesars gained 6 cents, or 0.3%, to $19.57; MGM Mirage rose 61 cents, or 0.9%, to $70.58; and Mandalay Resort Group inched up 3 cents, or 0.04%, to $70.53.