Welcome to Bull Street Buzz — Thursday, June 18th 2026, 9:56pm — Towards autonomous medical artificial intelligence agents - Nature — Tim Cook says RAM expenses are ‘unsustainable’ and Apple is going to raise prices - The Verge — Roelof Botha joins SpaceX’s board of directors - TechCrunch — Trump Says Anthropic Negotiations Continue as AI Leaders Huddle at G-7 - WSJ