The collective net worth of the world's 500 richest individuals surged by an astonishing $336 billion in just one day on June 15, Bloomberg reported, citing its Billionaires Index. Following this massive market rally, their combined wealth reached a historic aggregate of $13.3 trillion. Leading the monumental surge was the world's first trillionaire, Elon Musk, who saw his personal fortune expand by 10% in a single session, climbing to an unprecedented $1.27 trillion.

The primary catalyst behind this global financial boom was a breakthrough geopolitical development, as the United States and Iran reached a preliminary agreement to ensure secure transit through the strategic Strait of Hormuz. The easing of regional tensions triggered a massive buying wave across global trading floors, pushing major indices including the Dow Jones, Nasdaq, and MSCI World close to their all-time record highs.

Another pivotal driver boosting Musk's net worth was a massive secondary stock offering by SpaceX last week. Institutional investors aggressively scooped up the available shares on the market, instantly driving up the aerospace company’s total market capitalization by 20% and further cementing Musk's position at the apex of global wealth.