Wall Street Tumbles; S&P 500 Drops Amid Trump’s Tariff Warning

Stock Market Today: S&P 500, Nasdaq Futures Plunge As Trump Escalates Tariff Threats—Alibaba, United Airlines, Netflix In Focus - SPDR S&P 500 (ARCA:SPY)

U.S. stock futures fell on Tuesday following Friday’s declines. Futures of major benchmark indices were lower.

Vistra stock price drops today as tariff threats shake markets — what to know about VST

NEW YORK, Jan 20, 2026, 12:29 EST — Regular session underway. Vistra Corp shares dipped 3.9% to $160.12 by midday Tuesday, deepening the stock’s recent volatility. The company has increasingly been seen as a bellwether for U.S. power demand. The drop is significant because investors have been heavily backing generators linked to the data-center expansion, with Vistra positioned right at the heart of that narrative. When risk appetite wanes, this…

Wall Street tumbles; S&P 500 drops amid Trump’s tariff warning

US stock markets slid as the S&P 500 fell after President Donald Trump threatened new tariffs on eight NATO nations over Greenland, reviving global trade-war fears and shaking investor confidence.

Stock Market Today: Dow, S&P 500, Nasdaq Stock Futures Slide; Why Stocks Are Tumbling; Trump Tariff Fears; Netflix, Micron, Intel, Nvidia, More Movers

Long-term U.S. government debt sells off, with yields rising, and the dollar weakens as markets reopen amid renewed risks of a trade war with Europe …