Investors – Las Vegas casinos were big winners in November in Macau, the world’s top gaming destination. RBC Capital Markets analyst John Kempf said Friday in an analysis of gambling revenue figures released earlier by Macau officials that Las Vegas Sands (LVS), Wynn Resorts (WYNN) and MGM Resorts International (MGM) all saw big gains form the month. Meanwhile, Hong Kong-based SJM Holdings “had an atypically weak month,” he said. Macau’s total gambling revenue grew 21.1% in November vs. the same month a year ago, to $3.8 billion, edging RBC’s forecast for a 20% increase. Sands, the world’s largest casino company…