According to CNBC, Lennar rose more than 4% after Berkshire Hathaway disclosed it bought more than 2.7 million shares, while Amgen gained more than 3% after reporting positive phase 3 trial results for dazodalibep in adults with moderate-to-severe Sjögren's disease. Grab Holdings jumped more than 7% after CEO Anthony Tan disclosed he recently bought 10.4 million shares, and SoFi Technologies climbed more than 1% after saying stablecoin settlement is now live across its debit and credit card program. Capri rose 7% after WWD reported, citing sources, that the company has been in contact with potential buyers, and Shopify gained nearly 7% after saying it would use Muse, Meta's personal AI agent, to enable agentic checkout on its platform. Quest Diagnostics fell 5.3% and Labcorp Holdings dropped 3.6% after the Centers for Medicare & Medicaid Services said Medicare has been paying 16% more for laboratory services than private payors and that it will align most Medicare payments with private-sector rates. Vicor rallied 14% after issuing third-quarter guidance that calls for sequential revenue growth of more than 20% quarter over quarter, versus prior guidance of nearly 10%. On Holding jumped more than 10% after setting new midterm targets, including absolute net sales of at least CHF5.6 billion by 2029, a gross profit margin of 65% throughout the period, and up to $1 billion in Class A ordinary share repurchases by December 2029. The company also reiterated its full-year 2026 outlook. GameStop gained 4% after CEO Ryan Cohen disclosed a purchase of 1.2 million shares.