How bad is the pain among technology shares Monday? Well, the futures tied to the tech-heavy Nasdaq 100 were down 4.5% before the market opened. The last time the index fell more than 4% in a day was way back on Sept.

Futures tied to the S&P 500 and the Nasdaq were higher on Tuesday after steep losses in the previous session, when the popularity of a low-cost Chinese artificial intelligence model rattled stocks of U.

S&P 500 and Nasdaq futures steadied on Tuesday after steep losses in the previous session driven by the popularity of a low-cost Chinese artificial intelligence model that rattled stocks of U.S. companies invested in the technology.