quote:

From his perch high above Midtown Manhattan, just across from Carnegie Hall, Bill Hwang was quietly building one of the world’s greatest fortunes.

Even on Wall Street, few ever noticed him -- until suddenly, everyone did.

Hwang and his private investment firm, Archegos Capital Management, are now at the center of one of the biggest margin calls of all time -- a multibillion-dollar fiasco involving secretive market bets that were dangerously leveraged and unwound in a blink.