The hour was defined by significant Treasury intervention and its reverberations through financial and regulatory channels. Treasury Secretary Scott Bessent moved to stabilize bond markets by doubling long-dated buybacks, a measure that provided some support yet left the 20-year bond auction yielding 5.204%, the second-highest on record, while simultaneously contributing to a drop in the U.S. dollar to a three-month low. Corporate activity highlighted stark performance gaps, with Moderna shares soaring 150% following positive late-stage cancer vaccine trial results, even as Stripe’s acquisition of AI developer platform OpenRouter signaled further institutional focus on AI infrastructure. The administration's regulatory posture remained aggressive; Disney’s ABC filed a federal lawsuit against the FCC alleging retaliatory threats against its broadcast licenses, while the Treasury finalized rules to bar undocumented immigrants from accessing four major refundable tax credits. These domestic moves coincided with broad regulatory exploration, as the FTC solicited input on personalized pricing and the CFTC eyed the emerging market for compute derivatives. Meanwhile, the legal and geopolitical environment tightened, marked by President Zelensky’s dismissal of his deputy chief Iryna Mudra amid a corruption probe in Ukraine and continued legal battles at home, including an appeal of the Florida census to the Supreme Court and ongoing pretrial proceedings regarding the 2025 assassination of Turning Point USA founder Charlie Kirk.