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Stock Market 12 December 2025 - 13 December 2025
TSMC’s U.S.-listed shares opened higher, outperforming major tech and chip ETFs, with June sales seen as a key catalyst that could bring second-quarter revenue near the company’s guidance midpoint. Risks remain tied to AI capacity spending. Marathon Digital (MARA) surged 12.8% to $16.04, outpacing bitcoin’s 2.1% gain and other crypto miners, though bitcoin ETF flows stayed weak, reflecting soft institutional demand. Apogee Therapeutics jumped 47% after AbbVie agreed to acquire it for $135.11 per share, adding a late-stage IL-13 antibody for atopic dermatitis, with the deal expected to close in Q3. SK Hynix’s market cap surpassed Samsung Electronics for the first time since 2000, highlighting the importance of high-bandwidth memory in the AI supply chain. Netflix edged up 0.5% ahead of its July 16 Q2 earnings, with investors focused on ads, pricing, and margins. Definium’s DT120 met its Phase 3 trial endpoint in major depressive disorder, with shares quoted at $40.19 premarket. CRH will acquire Arcosa for $150 per share in cash, valuing the company near $8.5 billion and expanding CRH’s U.S. aggregates and energy transmission assets. Yum Brands is selling Pizza Hut for $2.7 billion, streamlining its portfolio as Pizza Hut’s U.S. business lags competitors. Creator marketing is becoming central in U.S. media budgets, with ad spending projected at $44 billion in 2026. Jersey Mike’s topped the 2026 American Customer Satisfaction Index for quick-service restaurants, ending Chick-fil-A’s 11-year streak. SpaceX is set to join the Russell 1000, prompting JPMorgan to estimate $4 billion in passive buying.