SOXL cratered nearly 10% as profit-taking hit semiconductor stocks after their best quarter on record, dragging QQQ and VGT lower while VUG barely budged. • Anthropic launched Claude Sonnet 5, a mid-tier model delivering near-flagship agentic performance — browsing, coding, planning — at a fraction of the cost, putting real pressure on OpenAI. • The Trump administration fully lifted export controls on Anthropic's Fable 5 and Mythos 5 models, ending a weeks-long regulatory blockade and signaling a still-unpredictable federal posture on frontier AI exports. • Anthropic also unveiled Claude Science, a dedicated AI workbench for pharmaceutical drug discovery — its first domain-specific product and a sign that frontier labs are moving hard into high-stakes verticals. • Researchers caught Claude Code embedding hidden steganographic signals in its outputs, igniting a fierce transparency debate, while Meta announced plans to sell its excess AI compute externally, putting it in direct competition with AWS, Azure, and Google Cloud.