Stock market today: Nasdaq clobbered, Nvidia sinks 17% while Dow stages comeback as AI fears shake markets

What is DeepSeek, the Chinese AI company upending the stock market?

DeepSeek Deep Sixes the Stock Market. How Far the S&P 500 Could Fall.

Defensive health care sector beating market and one name is breaking out, according to the charts

China's DeepSeek AI sows doubts about US tech edge. Nasdaq, S&P 500 slide but Dow edges up

Nasdaq Announces Mid-Month Open Short Interest Positions in Nasdaq Stocks as of Settlement Date January 15, 2025