3:27 PM · 7 October 2025

US Open: indexes test all-time highs driven by the AI rally 🚀

Key takeaways
US500
Indices
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Key takeaways
  • At the open of the U.S. cash session, indexes are little changed despite the ongoing government shutdown. US500 gains 0.04%, US2000 falls 0.30%, US100 rises 0.24%, and US30 slips 0.05%.

At the open of the U.S. cash session, indexes are little changed despite the ongoing government shutdown. US500 gains 0.04%, US2000 falls 0.30%, US100 rises 0.24%, and US30 slips 0.05%.

Yesterday’s session ended with moderate gains, with the US500 and US100 both closing at new record highs, supported by a surge in AMD shares following its deal with OpenAI. The shutdown has now entered its seventh day, delaying the release of some economic reports. Prediction markets estimate its duration at around 19 days. Today’s Fed speakers include Raphael Bostic, Michelle Bowman, Neel Kashkari, and Stephen Miran.

The rally remains concentrated in mega-cap tech and the euphoria surrounding artificial intelligence (AI). The market narrative focuses on OpenAI’s massive capital expenditures — multi-hundred-billion-dollar projects tied to AMD (including a vast GPU data-center build-out), Oracle (a reported $300 B data-center agreement), CoreWeave (~$20 B in compute capacity), and a custom-chip collaboration with Broadcom. Investors now see AI as the primary engine of market growth. On the other hand, the risk of over-concentration around AI projects — particularly those linked to OpenAI — is becoming more pronounced. Big Tech and AI continue to set the market’s tone, but the narrative is increasingly dependent on a few bold assumptions and rising investment leverage.

US500

The US500 index remains near its all-time highs, testing the 6,800-point level. Yesterday’s session closed at a record 6,791 points, roughly in line with today’s trading range.

 

Company news

  • Trilogy Metals (TMQ.US) +215% gains after the Trump administration reversed the block on Alaska’s Ambler Road project and invested $35.6M, taking a 10% stake with warrants for 7.5% more. The 211-mile road will unlock access to key mineral deposits.
  • Constellation Brands (STZ.US) +2.91% rose after Q2 results beat expectations despite weaker beer sales and a lower FY2026 outlook. The company guided adjusted EPS of $11.30–$11.60, roughly in line with estimates.
  • Aehr Test Systems (AEHR.US) -25.80% dropped after declining to reinstate guidance amid tariff uncertainty; FQ1 revenue fell 16% Y/Y, EPS slid to $0.01, and bookings dropped 32%.

 

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