Starting Nvidia from scratch and growing it into a $3 trillion company took three decades and stretched Jensen Huang to his absolute limit. "Building a company is insanely hard," the chipmaker's cofounder said in a video shown at "Acquired Live" last month and posted online this week.

Nvidia chief Jensen Huang said during an interview with CNBC on Wednesday that demand for the tech giant’s Blackwell “Superchip” is “insane,” sending Nvidia shares up more than 3% on Thursday. Nvidia shares reached as high as $124.

The head of the chipmaker and investor favorite said in an interview on CNBC Wednesday that demand for the company's AI chips is "insane."