Aliko Dangote is worth more than $12 billion according to Forbes and is overseeing the construction of what will be one of the world's largest oil refineries.
Although John Arnold and his wife, Laura, consistently rank among the top individual donors to charity in the U.S., at least one critic says they're not doing nearly enough.
Some members of the Wall Street Bets Reddit group that facilitated the GameStop stock hike have turned their attention to driving up silver prices, and Winklevoss thinks gold could be next.
Adelson, whose net worth was more than $33 billion in January 2021, according to Bloomberg's Billionaire Index, was the majority stakeholder in the casino hotel company Las Vegas Sands.
Tesla stock, of which Musk is the largest holder, continues to hit record highs. Buffett, meanwhile, donated almost $3 billion of Berkshire Hathaway stock, causing his riches to shrink.
Those with money in the Valley, as well as in other lucrative industries, have become known in recent years for investing in preparations for disaster scenarios, such as viral outbreaks.