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.

On Jan. 27, Nvidia ( NVDA -3.67%) fell 17%, erasing over $590 billion from its market cap. It marked the greatest single-day market-cap destruction for a company in U.S. stock market history. While the growth stock recovered nearly half of those losses the following day, there are still lessons to be learned from this historic market event.