Wealth September 8, 2016updated 26 Sep 2016 10:56am Billionaire makers: The cities growing the world’s wealthiest By Spear's New York has topped the list of cities where the most billionaires were born, according to analysis by WealthInsight and Spear’s magazine. Content from our partners Meet the females leading in the FTSE A cut above: Charles Sanford on why HNW clients choose LGT Wealth Management How the Thuso Group’s invaluable experience and expertise shaped the Spear’s Schools Index 2024 Related Wealth Geneva minnow is crowned best private bank in Switzerland Wealth Private credit most popular asset class for family offices Wealth Rise of the under-30 millionaires Spear's