If my abacus is working correctly today's gain is just under a third-of-a-trillion-dollars, $320 billion.
That is second only to:
Nvidia, July 31, 2024 - $327 billion.
But exceeds the other contenders:
Nvidia, Feb 22, 2024 - $277 billion
Nvidia May 23, 2024 - $218 billion
Apple June 11, 2024 - $215 billion
—Visual Capitalist, Ranked: Top 10 Single-Day Market Cap Gains
The headline this morning from WCCFTech was: "Taipei's "Computex 2026 Will Be NVIDIA’s Biggest Event Of The Year. Here’s What To Expect" (NVDA)"
And Sunday:
"Nvidia, Microsoft preparing AI PCs, source says" (NVDA; MSFT; DELL)