The S&P 500 posted its biggest weekly decline since June, and the Nasdaq 100 fell 2.5% on Friday.

PANews October 17 news, according to Bloomberg's latest closing report, U.S. stocks fell on Friday (October 16), with the S&P 500 closing down 1.1%, marking its largest weekly decline since June; the Nasdaq 100 fell 2.5% that day, recording its worst weekly performance since April 2025.

A surge in crude oil prices rekindled inflation concerns, and lingering doubts about the sustainability of the AI investment boom continued to weigh on chip stocks. Shares of cloud computing service provider CoreWeave plunged, further intensifying the selloff in technology stocks.