Palantir exposed Nvidia's biggest weakness -- its historically unsustainable valuation premium -- and it'll be on full display come Nov. 19.

NVIDIA and its partners have showcased a range of artificial intelligence applications for urban development at the Smart City Expo World Congress in Barcelona, demonstrating how AI-driven digital twins,

The planned facility in Munich is expected to increase AI computing power in Germany by around 50%, a boost for the European Union as it seeks to catch up to the U.S.

After years of quiet, solid gains, Nvidia (NASDAQ: NVDA) stock has had a breathless ascent over the three years, climbing nearly 1,400%. It flew past Apple and Microsoft to become the most valuable company in the world, reaching a market value of $4 trillion in July, and it's now in a league of its own as the first $5 trillion stock.