<p style="text-align:start;" size="1" _root="[object Object]" __ownerid="undefined" __hash="undefined" __altered="false">Public markets were taking a beating when <em>Forbes</em> finalized the World Billionaires’ list on March 18, 2020. The S&P 500 had cratered 29% from its February 19 high as investors fled from equities while the world ground to a Covid-imposed halt. Companies like Airbnb and Warner Music Group, who had planned much anticipated IPOs in 2020, sought shelter from the storm instead.</p>