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.

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.

Tesla was particularly battered as it joined Apple (-3%) and Nvidia (-3%), as American multinational companies with the highest proportion of sales in China.

Tech hardware stocks tumbled Monday after President Trump instituted tariffs on goods imported from Canada, Mexico and China.