Futures for the Nasdaq 100 index have extended their decline to 2%, reaching the day's lowest point. Investors continue to offload technology stocks amid concerns over elevated valuations and the substantial capital expenditures in the artificial intelligence sector.

S&P 500 index futures have fallen by 1%.

On Thursday, the Nasdaq 100 index declined by 1.6%; Taiwan Semiconductor Manufacturing Company's upward revision of its annual spending forecast has stoked worries about AI-related capital expenditures.

The S&P 500 index experienced a more modest decline of 0.5%, with the number of advancing stocks outnumbering decliners, indicating a relatively balanced overall market sentiment.