Stock Market Today: Dow Craters On Greenland Tariff News; Nvidia Sees Big Loss (Live Coverage)

Group 1 - Bank stocks are facing complex challenges and benefits as they head into 2026 after an unusually strong year, raising questions about the continuation of the rally [5] - Dow Jones futures dropped 1.3%, approximately 600 points, in premarket trading, influenced by President Trump's tariff threats regarding the potential U.S. acquisition of Greenland [5] - Nvidia (NVDA) and Tesla (TSLA) were identified as early losers in the stock market on the same day [5] Group 2 - The AI boom is being heavily bet on by Wall Street, although concerns about a potential bubble are resurfacing [9]