> Arkady Volozh, the tech entrepreneur behind Yandex—the Russian equivalent to search engines like Google and Yahoo—has seen the value of his stake in Russia’s

> Arkady Volozh, the tech entrepreneur behind Yandex—the Russian equivalent to search engines like Google and Yahoo—has seen the value of his stake in Russia’s top tech giant fall by over 60% since last Thursday, the day Putin attacked Ukraine. Volozh himself lost more than $400 million that day, as Russia’s wider business community reeled from Putin’s war and the subsequent sanctions imposed thereafter. Volozh, whose net worth hit a high of $2.6 billion, is now worth $580 million, Forbes estimates.