Macau casino operator Sands China (1928.HKG) posted a 40% gain in fourth-quarter profit on Thursday, Bloomberg reported. Net income at the Hong Kong-listed unit of Las Vegas Sands (LVS.NYSE), American billionaire Sheldon Adelson’s gambling empire, increased to US$655.6 million from US$467 million a year earlier. Revenue rose 28% to US$2.53 billion. Sands China and Galaxy Entertainment Group (0027.HK) are among Macau casinos attracting more tourists as they add shopping malls, theaters and exhibition halls in their resorts in the world’s biggest gaming market.