US market trading hours will be disrupted throughout Thursday this week as the country undergoes a national day of mourning.

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.

U.S. stock indexes are rising Monday to recover more of the holiday-season slide that bridged the new year. The S&P 500 was 0.8% higher in early trading and on track for a second straight gain following five straight losses,