Nvidia (NASDAQ: NVDA) stock is falling in Tuesday's trading. The artificial intelligence (AI) leader's share price was down 5.5% as of 2:45 p.m. ET amid a 0.9% decline for the S&P 500 index and a 1.6% pullback for the Nasdaq Composite index.

Stocks are running in premarket trading on Monday. Here's a look at major indexes as of 8:50 a.m. ET: Nasdaq Futures: Up 205.25 (+.95%) S&P 500 Futures: Up 45.25 (+.76%) Dow Jones Futures: Up 184 (+.43%) The big story in premarket trading is that NVIDIA (Nasdaq: NVDA) and chip stocks are up big.

Nvidia traded slightly higher after Jensen Huang's CES keynote. Traders are eyeing key economic data later in the week.