The Big Apple is the best city in the world for the world’s wealthiest people, according to a new report. Buzz60's Sean Dowling has more. Buzz60 The combined wealth of the world’s millionaires rose for a sixth straight year and topped $70 trillion for the first time ever in 2017 thanks to an improving global economy and strong stock market performance, according to a new report released Tuesday. The world’s millionaires saw their wealth grow 10.6 percent to a record $70.2 trillion, the global...