EL7.AI
StocksMediumUpdated×3•Originally published 6 October 2026•Updated 6 October 2026•
1 min read

S&P 500 Crosses 7,800 Milestone for First Time Driven by AI Chipmaker Rally

Key Facts

1The S&P 500, Nasdaq Composite, and Nasdaq 100 all finished at record levels on Tuesday.
2Utilities led sector gains with a 3.01% increase, while healthcare was the only declining sector.
3The small-cap Russell 2000 index bucked the trend, closing lower by 0.59%.

The S&P 500 surpassed the 7,800 level for the first time in history on Tuesday, finishing at a record high alongside the Nasdaq Composite and Nasdaq 100. Reports indicated that the rally to this historic milestone was primarily driven by a surge in AI chipmaker stocks, which bolstered overall market momentum.

The utilities sector led broader market gains with a 3.01% increase according to investinglive.com, while AMZN closed at $255.51 on October 6, 2026. Conversely, the small-cap Russell 2000 index fell 0.59%, and healthcare stood as the sole declining sector within the S&P 500 as markets reacted to lower Treasury yields and weaker crude oil prices.

Latest Updates · 2

  1. Notable·

    Update: Data showed the U.S. trade deficit widened to $105.6 billion in August 2026, fueled by AI-related infrastructure imports. Additionally, the U.S. Treasury sold $58 billion in 3-year notes at a 4.932% yield, while two-year yields fell to 4.7975% as the probability of an October rate hike dropped to 19.4%.

  2. Notable·

    Update: The S&P 500 surpassed its previous peak from August 2026, marking a full recovery. This record comes despite significant headwinds, including the oil price shock triggered by the Iran war and the Federal Reserve's first interest rate hike.