Text size This feature is powered by text-to-speech technology. Want to see it on more articles? Give your feedback below or email product@barrons.com. Global wealth fell by 2.4% to US$454.4 trillion last year—the first drop since the financial crisis in 2008—led by declines in investment assets, according to the 14th Global Wealth Report released jointly on Tuesday by Credit Suisse and UBS. By another measure, the amount of wealth per each adult also dropped, declining by 3.6% globally last...