UPDATE 4-MGM China prices $1.5 bln IPO at top end as sector booms

the revenue of MGM China, while No. 2 company Sands China , the unit of billionaire Sheldon Adelson's Las Vegas Sands Corp, is nearly double that of MGM China. SJM's stock surged nearly 52 percent so far this year, compared with a 23 percent gain for...