Nvidia reclaimed the title of world's most valuable publicly traded company Tuesday, passing Apple. Nvidia shares closed up almost 3%, giving the chip maker a $3.43 trillion market cap, just above Apple's $3.

Key Takeaways Nvidia shares rose Tuesday, pushing the chipmaker back into the top spot on the list of the world's most valuable companies by market capitalization, ahead of Apple.Nvidia, Apple, and Microsoft have battled for the title this year as the only three companies with a market capitalization over $3 trillion.

Wall Street’s largest financial institutions have loaned more than $11bn to a niche group of tech companies based on their possession of the world’s hottest commodity: Nvidia’s artificial intelligence chips.

Wall Street giants have committed over $11 billion to a tech gold rush centered around Nvidia’s AI chips. Blackstone, Pimco, Carlyle, and BlackRock have fueled this new debt market, lending massive sums to “neocloud” firms like CoreWeave,