Shares of Nvidia Corp. notched another gain Tuesday, as investors have been given more reason to believe the perceived threat from DeepSeek’s artificial-intelligence platform is overblown.

Nvidia stock moved within touching distance of recouping all its losses from the DeepSeek market rout on TuesdayThe company’s shares rose 0.4% to $139.40, closing in on the $142 level where it was trading before the Chinese start-up’s apparently low-cost artificial-intelligence model roiled tech stocks last month.

Nvidia's valuation is built on optimism -- namely, optimism that its revenue and profit can continue to grow at blistering rates for years. The stock currently trades for more than 40 times expected earnings for fiscal 2025.

Nvidia's rally faces a threat from tariffs on chip imports. Talks over a potential deal to split Intel could lessen the risk.

Preparing for Nvidia's earnings? Explore important information about the stock's performance and upcoming report.

Nvidia stock cleared a key hurdle on Tuesday as it recovered the losses sparked by the $589 billion DeepSeek sell-off in late January. At its intraday high of $143.44, Nvidia was trading above its January 24 close of $142.