The Nasdaq could face market-cap losses of nearly $1 trillion if premarket declines hold into the close of trading.

DeepSeek topped the Apple AppStore chart and sparked fears the Chinese company is quickly catching up with OpenAI's ChatGPT while costing far less.

KEY TAKEAWAYS A slew of artificial intelligence stocks, including chip maker Nvidia, are tumbling in premarket trading Monday after Chinese startup DeepSeek released a cutting-edge AI model that runs on less-advanced chips and at a lower cost than U.

DeepSeek threat to Nvidia sales? The group is expected to generate around $197.3 billion in revenue in the coming fiscal year, which ends in January of 2026, with net income of ar