CNBC Daily Open: Big Tech wants to tap Wall Street's big wallets

Jensen Huang, chief executive officer of Nvidia Corp., speaks to members of the media following the company's "Japan AI Ecosystem" reception in Tokyo, Japan, on Thursday, July 16, 2026. Kiyoshi Ota | Bloomberg | Getty ImagesHello, this is Hui Jie writing to you from Singapore. Welcome to another edition of CNBC's Daily Open.After three years of Big Tech splashing out on AI investments, Nvidia is looking to shake up the industry. The chip giant has tied up with an all star cast of six U.S. asset managers to back the next phase of the AI buildout, in essence, tapping their wallets instead. Nvidia also launched its first open-source model, named Nemotron 3.5 Lightning. This is the first model since CEO Jensen Huang joined most of his tech peers in urging the U.S. government to support open models.What you need to know todayIn the AI gold rush, Nvidia already sells the picks and shovels. Now it wants Wall Street to help finance the mine.Nvidia had announced a tie-up with six powerhouses on Wall Street, who said they're willing to raise $500 billion (and potentially more) for the construction and build-out of new AI factories, as chipmakers and hyperscalers race to meet seemingly endles...