Because Nvidia is still growing its revenue rapidly, using trailing earning metrics can give a false impression of where the company is headed. However, they're also useful in this case because its future had a wrench thrown into it thanks to DeepSeek's breakthrough.

Some of Nvidia's rivals in the AI space, including Arm and Broadcom, also saw their share prices slump on Monday. Stock prices regularly move, sometimes dramatically so, in response to relevant market announcements.

DeepSeek stunned the tech world with the release of its R1 "reasoning" model, matching or exceeding OpenAI's reasoning model for a fraction of the cost.

Nvidia stock surged as the AI chipmaker began to recover from a massive decline the prior day that shaved nearly $600 billion off its market cap.

Nvidia Corp.’s stock is declining in Monday action as investors weigh the potential for tariffs to impact chip companies and continue to assess the fallout from DeepSeek. Shares of Nvidia are down 3.4% in midday action to rank among the worst performers in the PHLX Semiconductor Index The stock has pared losses with President Trump now saying he has agreed to pause the Mexico tariffs for a month.