Stock Market 6 December 2025 - 7 December 2025

Rocket Lab shares ended Thursday at $107.24, down 0.69% for the day and slipped further after hours, but finished the week up 4.7% from last Friday, boosted by an analyst upgrade and index-related moves. Marvell closed at $310.58 on June 18, up 7.27% before the Juneteenth market closure, and is set to join the S&P 500 as part of the index’s quarterly rebalance, with KeyBanc raising its price target to $385. IonQ gained 3.4% to $56.55 but ended the week 2.2% lower than June 12. The U.S. Mint is releasing a one-year coin series for the 250th anniversary of U.S. independence and will resume sales of the 1776-2026 Proof American Silver Eagle on June 24. The S&P 500 rose 0.93% for the week, Nasdaq 2.43%, and Dow 0.71%. Semiconductor stocks rebounded, with Intel up 10.6% after President Trump announced a partnership with Apple for U.S. chip design and manufacturing. Teradyne rose 7.19% Thursday and 8.6% for the week, set to join the Nasdaq-100, with AI-driven test demand as a key factor. Sandisk closed at $2,184.75, up 11.54%, as the Philadelphia semiconductor index gained 7% for the week. Astera Labs jumped 11.31% Thursday and 13.6% for the week, also joining the Nasdaq-100, driven by AI infrastructure demand. Nebius closed at $286.69, up 2.06%, and will be added to the Nasdaq-100 along with CoreWeave. Vertiv ended at $333.05, up 4.87% Thursday and nearly 10% for the week, with AI data-center cooling as a growth driver. Redwire fell 5.1% for the week, as investors weigh backlog growth against a $500 million share program. Netflix slipped 3.7% for the week. Plug Power closed at $2.85, up 7.55% Thursday and 3.3% for the week. Aditxt soared 127.27% to $0.0100, with high trading volume and insider share sales reported. PG&E experienced outages affecting over 9,000 customers due to storms and dry lightning. PayPal ended at $42.51, up 1.02% Thursday and 2.4% for the week. Keel’s shares rose on both the TSX and Nasdaq. Merrill Lynch was fined $175,000 by FINRA for municipal-bond disclosure issues, following a separate $225,000 censure. SpaceX ETFs saw over $10 billion in trading volume in their first week, with ARK Innovation ETF receiving a record $4.6 billion inflow. Pennsylvania’s average gasoline price was $4.109 per gallon, down 53.5 cents from a month ago but still above the national average.