In a play against growing competition for high-end gamblers, Macau's casino industry is increasingly chasing more mass-market gamblers and families, says Kenny Wen of Everbright Sun Hung Kai Co Ltd.  The wealth management strategist told the South China Morning Post that investors should pay close attention to Macau and in particular to companies who are upgrading to broaden their appeal and counter pressure from the ongoing US-China trade war and other factors.