United States Daily Briefing

AMD closed +2.70% at $559.82 as Nordson's Vantage XL launch highlighted accelerating demand for advanced semiconductor packaging — a direct read-through to AMD's EPYC and MI-series AI chip volumes. NVDA +1.33% to $222.27 closed constructively after Musk confirmed NVIDIA AI chips are heading to SpaceX's next-generation satellite constellation. Semiconductor equipment and packaging names are leading the AI infrastructure capex supercycle despite the broader index softness.

Amazon filed to issue UK-market bonds for the first time — hiring JPMorgan to lead the offering — to partially fund its AI infrastructure buildout. AMZN +1.00% to $253.71 reflected the market's read that bond issuance at scale signals management's confidence in cash-flow sustainability. The move also highlights how hyperscalers are diversifying their debt capital base internationally as US Treasury yields stay elevated.

The single largest insider transaction of the past 72 hours was Uber selling 29.3M Aurora (AUR) shares worth $182M — a clean monetization of a strategic holding. UMC CFO Liu Chitung sold a combined $229M in shares across two tranches. Against only $8.87M in open-market buys, the 72-hour sell/buy ratio of 60x is not a panic signal but a systematic distribution consistent with insiders at elevated valuations. The only institutional buyer on the list was HRT Financial picking up USO oil ETF — energy is where the smart money is hunting, not growth.