If you’re a marketer for an asset manager, you’ll know that your industry is changing. Last year, a study by Willis Towers Watson found that total assets under management (AuM) of the world’s largest 500 managers leapt 15.6% to almost $94 trillion in 2017 – the highest growth in a decade. At the same time, the top 20 firms now manage a record 43% of these assets...