World’s richest tycoons lost $1.4 trillion this year

It turns out that much of the damage was self-inflicted: the alleged fraud of one-time cryptocurrency wunderkind Sam Bankman-Fried; Russia's devastating war against Ukraine that triggered crippling sanctions against its business titans; and, of course, the antics of Elon Musk, the new owner of Twitter, whose fortune is US $138 billion smaller than it was on…