Saturday, June 20, 2026 — Oil futures briefly turn negative after Israel-Hezbollah ceasefire news; global stocks sink as US-Iran peace talks collapse; Vance skips Switzerland summit amid Lebanon flare

Geopolitics: The US-Iran peace deal is unravelling fast. Lebanon clashes test a fragile truce, direct talks are suspended, and diplomatic no-shows rattle confidence — a détente that already looks like a mirage. Tech/AI: Nvidia ($NVDA, $210.33) faces a crowded hit list. Amazon CEO Jassy publicly targets its AI moat, Google & Tensordyne push rival architectures, while HPE expands its Nvidia-based AI factory. $AMD, $AVGO hover as the siege intensifies. Commodities: Crude’s intraday plunge below zero on the ceasefire headline reveals a market wired for supply shocks. The brief panic reversed, but energy is trading on a hair

Geopolitics: The US-Iran peace deal is unravelling fast. Lebanon clashes test a fragile truce, direct talks are suspended, and diplomatic no-shows rattle confidence — a détente that already looks like a mirage.