Jim Cramer: Nvidia is 'still undervalued' even as stock jumps 4% to new record

Visitors at the Nvidia booth at the 2023 Apsara Conference in Hangzhou, Zhejiang province, China, on Oct. 31, 2023.
Costfoto | Nurphoto | Getty Images

Nvidia jumped to a fresh all-time high Monday as the AI chipmaker presented at CES and investors digested new reports about its business with China.