Nvidia stock tumbled when DeepSeek said it trained an impressive AI model at a fraction of what U.S. companies have paid, but many Wall Street analysts remain bullish. President Trump's plan to reduce the corporate tax rate to 15% would let Nvidia repurchase more stock,

Mostly known only in gaming and crypto circles a few years ago, Nvidia burst into the zeitgeist after seeing its sales surge because customers wanted its chips to train their chatbots and other artificial intelligence products.