Tesla, the top stock by trading volume, closed down 2.10% with a turnover of $27.924 billion. According to a disclosure from the National Highway Traffic Safety Administration (NHTSA), its Office of Defects Investigation (ODI) received a petition on November 24, 2025, requesting a defect investigation into the mechanical door unlock mechanism of the 2022 Tesla Model 3. The petition indicated issues with the mechanical unlock device, including a hidden design, lack of identifying markings, and difficulty in intuitive location during emergencies.
NHTSA has now initiated a defect petition review process to evaluate the issue and decide whether to grant or deny the petition.
NVIDIA, the second highest by volume, closed up 1.02% with a turnover of $26.566 billion. The company agreed to acquire or license Groq's AI accelerator assets and absorb its core executive team, marking its largest transaction to date, aimed at extending its low-latency inference capabilities across the entire AI factory architecture.
Analyst firm Bernstein maintained its price target for NVIDIA stock at $275.00 per share.
Apple, ranked third, closed down 0.15% with a turnover of $5.873 billion. Public data shows that in November 2025, shipments of foreign-brand smartphones like Apple in China surged 128.4% year-over-year, while the overall Chinese smartphone market saw only marginal growth of less than 2% during the same period, with Apple's growth rate exceeding the industry average by more than 60 times.
Apple's management, in its earnings outlook, projected a 10% year-over-year increase in revenue for the 2025 holiday season, anticipating it would further boost full-year revenue.
Palantir, ranked sixth, closed down 2.81% with a turnover of $4.74 billion. The stock fell 2.4% for the week but has gained approximately 150% year-to-date.
Alphabet's Class A shares (GOOGL), ranked tenth, closed down 0.18% with a turnover of $3.397 billion. For users still clinging to their slightly awkward high school-era Gmail addresses, Google delivered a Christmas gift.
Updates to the Google Account help pages reveal that users can now replace their existing @gmail.com address while retaining all account data and associated services—a feature fulfilling a long-standing user request.
However, the updated guidance for changing email addresses is currently only published on the Hindi version of Google's help pages, suggesting the rollout might begin in India or Hindi-speaking regions first.
The help pages note that the feature is being rolled out gradually to all users, indicating a global full-scale launch is on the agenda, though the process may take some time.
Oracle, ranked twelfth, closed up 0.25% with a turnover of $2.209 billion. Analysts noted growing investor skepticism about the database software supplier's ability to provide more server farm capacity for ChatGPT operator OpenAI. OpenAI agreed in September of last year to a collaboration with Oracle worth over $300 billion.
Earlier this month, Oracle reported quarterly revenue and free cash flow that fell short of expectations. During the earnings call, newly appointed finance chief Doug Kehring called for capital expenditures to reach $50 billion for fiscal year 2026, 43% higher than the plan outlined in September and double the amount from the same period last year. Additionally, Oracle plans to invest $24.8 billion in rent to enhance cloud computing capacity and construct data centers.
Netflix, ranked fourteenth, closed up 0.89% with a turnover of $2.06 billion. The battle for control of Warner Bros. Discovery (WBD) recently intensified, with streaming giant Netflix and veteran entertainment powerhouse Paramount Skydance upping their stakes. The former announced the refinancing of part of a $59 billion bridge loan to maintain its long-term investment-grade credit rating; the latter saw a "father-son team" enter the fray—Silicon Valley super-billionaire and Oracle founder Larry Ellison provided approximately $40.4 billion to back his son David Ellison.
Rocket Lab, ranked seventeenth, closed down 8.46% with a turnover of $1.645 billion. Goldman Sachs released an in-depth research report on the aerospace sector, focusing on the US Department of Defense's Space Development Agency (SDA) and its Proliferated Warfighter Space Architecture (PWSA) program, providing a detailed analysis of the award for the third tranche of the Tracking Layer satellite contracts.
The report indicated that on December 19, 2025, the SDA announced the PWSA Tranche 2 Tracking Layer satellite contracts, valued at a total of $3.5 billion, covering the construction and launch of 72 satellites, with deployment expected to begin gradually from 2029. This significant contract was awarded to four companies: L3Harris (LHX), Lockheed Martin (LMT), Northrop Grumman (NOC), and Rocket Lab (RKLB), with each company receiving orders worth hundreds of millions of dollars. Rocket Lab, in particular, secured its largest government contract to date through this award, marking the rise of an innovative disruptor in critical national security contracts.
UnitedHealth Group, ranked twentieth, closed up 1.30% with a turnover of $1.422 billion. The Group recently released the initial results of a large-scale independent audit of its business practices and committed to taking broad measures to track and implement improvements in three specific areas.
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