Here is what investors should know about trading hours on Monday. The New York Stock Exchange and the Nasdaq Stock Market will both be open on Columbus Day, which is a federal holiday. However, bond markets and over-the-counter operations will be closed.

Losses accelerated following Trump's tariff threat, which could gum up global trade and lead the economy to burn less fuel. Brent crude, the international standard, dropped 3.8 per cent to $62.73 per barrel.

The artificial intelligence (AI) data center company's stock is still rising after it released its quarterly earnings that surpassed analysts' revenue targets. The company's top line grew 84% year over year to reach $64.2 million. Wall Street had expected $50 million.

Financial journalist Andrew Ross Sorkin warns today's stock market crash risks mirror 1929 conditions. Wall Street speculation, AI investment bubble concerns, and reduced financial regulations create parallels to pre-Great Depression market conditions,