Nvidia ( NVDA 4.95%) stock hit a new all-time high Monday morning, shaking off its mid-December slump and jumping as much as 5.3%. As of 1:19 p.m. ET, the stock was still up 4.7%. There were a couple of developments that sent the artificial intelligence (AI) chipmaker higher, as shareholders eagerly await an update from the company's rock star CEO.

Stocks popped to start the first full week of 2025, as investors eyed technology innovations and a report circulated that the incoming presidential administration might scale back tariff plans. The broad S&P 500 index rose 1.