On Thursday, the second most actively traded US stock was Nvidia, which closed 0.14% higher with $24.172 billion in turnover. Reflection AI, backed by Nvidia, released its first frontier open-weight model, Beam. Beam matches mainstream open-source models on advanced reasoning benchmarks while significantly reducing costs. Reflection AI described Beam as a pure text mixture-of-experts model trained with high-compute reinforcement learning, featuring outstanding capabilities in reasoning, coding, and agent tasks, with "token costs and inference compute just a fraction of competitors."

The third most traded stock was Micron Technology, which fell 1.73% with $22.007 billion in turnover.

The fifth was SpaceX, up 0.52% with $18.177 billion in turnover. Bullish sentiment on Wall Street toward SpaceX is heating up. Goldman Sachs analyst Eric Sheridan initiated coverage with a Buy rating and a $230 price target in a Monday research note to clients, implying 44.7% upside. He believes the company's AI business segment will deliver earnings above current Wall Street consensus expectations.

The sixth most traded stock was Advanced Micro Devices, which rose 2.80% with $15.64 billion in turnover. The AMD CEO said the company plans to significantly increase supply in 2027. Mizuho raised its price target from $580 to $705.

The seventh was Marvell Technology, which climbed 5.81% with $14.704 billion in turnover. Marvell Technology announced long-term revenue guidance at its Investor Day. Marvell Technology expects fiscal 2028 revenue to reach $20 billion, above the $18.17 billion consensus from FactSet-surveyed analysts. Looking further ahead, the company projects fiscal 2031 revenue in the range of $70 billion to $90 billion, far exceeding the market consensus of $47.04 billion.

The eighth most traded stock was Intel, which dropped 3.19% with $11.511 billion in turnover.

The ninth was Broadcom, which rose 3.67% with $11.484 billion in turnover. Bank of America, Citigroup, and Morgan Stanley have begun distributing a $60 billion debt financing to other banks to fund Anthropic's lease of Google semiconductors. This is the largest chip financing deal to date, highlighting how tech companies are racing to lock in AI compute. The financing, partially guaranteed by Broadcom, is seen as a gauge of market demand for AI debt.

The tenth most traded stock was Microsoft, which rose 0.78% with $11.119 billion in turnover. The number of Meta employees using Anthropic's coding assistant Claude Code internally has recently dropped sharply to about 30,000. Meta internal data shows that earlier this year, the user count was around 60,000. Part of the decline stems from Meta's previous round of layoffs, which cut about 10% of its 78,000 employees.

The eleventh was SanDisk, which fell 2.56% with $10.862 billion in turnover.

The twelfth was Tesla, which rose 0.51% with $10.424 billion in turnover. Tesla CEO Elon Musk recently stated on X platform that SpaceXAI will be renamed SpaceXSI. When a user asked whether SpaceXAI could be renamed SpaceXSI, Musk replied: Yes, we will make that change, and said it will no longer be called AI but SI, which is better. Musk then posted: SpaceX is a superintelligence company.

The fourteenth most traded stock was Apple, which rose 0.22% with $9.843 billion in turnover.

The fifteenth was Meta Platforms, which fell 0.41% with $8.975 billion in turnover. One month after Meta launched Muse, the personal agent quickly gained popularity, prompting a group of companies to join forces to simplify bringing the technology into the business world. Meta, Walmart, Stripe, and several other companies are releasing what they call the "Personal Agent Protocol." It is an open standard designed to define how AI agents interact with enterprises.

The sixteenth was Amazon, which rose 1.95% with $8.307 billion in turnover. Southwest Airlines partnered with OpenAI and Amazon Web Services (AWS) to launch a ChatGPT plugin that allows users to search and book Southwest flights directly within ChatGPT.

The eighteenth most traded stock was Alphabet Class A, which rose 0.35% with $6.368 billion in turnover. Google launched the EmbeddingGemma 2 multimodal embedding model. In a blog post, Google said that multiple country-code top-level domain hijacking incidents did not result in its systems being compromised. Google discovered last week that domain hijacking occurred in the .gh (Ghana), .sl (Sierra Leone), and .as (American Samoa) country-code top-level domain spaces. Google said there is reason to believe the certificate authorities that issued the affected certificates engaged in misconduct. Google immediately took protective measures to block the use of unauthorized certificates under its own domains. After the initial migration, data showed more organizations were affected by the same attack, including multiple internationally known brands and widely used online services. Google has proactively blocked these certificates in Chrome to protect users visiting related websites as quickly as possible.

The twentieth was Seagate, which fell 9.18% with $5.906 billion in turnover.