Dow Closes at Record 53,178 as Oil Collapses 5% — Palantir Explodes, AstraZeneca Crashes 9%

A single geopolitical headline reset the entire tape. Trump called off planned strikes on Iran, oil collapsed 5%, yields fell 7 basis points, and the Dow closed at a record 53,178. Palantir exploded after the bell on 93% revenue growth, Amazon crossed $3 trillion, and AstraZeneca suffered its worst day since 2020. Here's what moved, why it moved, and the three catalysts that come next.