Billionaire

A version of this article first appeared in CNBC's Inside Wealth newsletter with Robert Frank, a weekly guide to the high-net-worth investor and consumer. Sign up to receive future editions, straight to your inbox. Europe's richest…

Much of the U.S. market focus has been on the Federal Reserve's more aggressive interest rate hikes as a reason to fear a recession. But Carlyle Group co-founder and co-chairman David Rubenstein, a billionaire investor and…

Jeff Gundlach.REUTERS / Jessica RinaldiJeff Gundlach warned the Federal Reserve could cause a recession if it tightens its monetary policy. DoubleLine Capital's billionaire boss said only speculators would buy bitcoin at its…