U.S. Stock Market Opens: Market Logic Under Multiple Interwoven Events

The U.S. stock market opened today with the three major indexes mixed, as market sentiment seeks balance amid multiple macro events and sectoral structural adjustments. The Dow Jones Industrial Average edged higher at the open, the S&P 500 fluctuated narrowly, while the tech-heavy Nasdaq Composite declined under pressure, reflecting capital reallocation across different sectors. Investors are digesting new geopolitical developments, shifts in the Asia-Pacific security landscape, and a historic reshuffle of the Nasdaq 100 index constituents.

Lebanon-Israel-US Framework Agreement: A Signal of Cooling Energy Geopolitical Risks

Before the market opened today, Lebanon, Israel, and the United States jointly announced a framework agreement on maritime delimitation and energy cooperation. This breakthrough not only ends years of sovereignty disputes over oil and gas blocks in the eastern Mediterranean but also directly reduces the disruptive impact of Middle East geopolitical premiums on crude oil markets. The agreement clearly delineates exclusive economic zone boundaries and lays the foundation for joint development of natural gas fields. As a result, crude oil futures edged lower in early trading, with Brent crude falling below the $85 mark, and energy sector stocks generally under pressure, with Exxon Mobil and Chevron both declining over 1%. At the same time, international shipping and insurance-related assets gained support, as market expectations that improved security along the Red Sea-Mediterranean route will reduce transportation cost volatility. In the short term, this agreement suppresses energy stock performance; in the medium to long term, it benefits oil services and engineering construction companies—especially those with deepwater drilling capabilities, as they may secure follow-up development contracts.

Japan's Security Strategy Shift: Global Resonance in the Defense Sector

Meanwhile, the Japanese government formally passed its new National Security Strategy, National Defense Strategy, and Defense Buildup Program, explicitly raising the defense budget to 2% of GDP and significantly expanding long-range strike capabilities and cyber defense. This policy shift triggers a chain reaction globally: the reshaping of the Asia-Pacific security landscape directly benefits U.S. defense contractors, with Lockheed Martin, Northrop Grumman, and others attracting capital inflows after the U.S. market opened, rising over 2%. Additionally, semiconductor and electronic warfare system suppliers related to Japan Self-Defense Forces equipment upgrades also showed abnormal movements. Notably, the revision of Japan's defense policy indirectly boosted the rare earth and specialty metals sector, as markets expect supply chain security considerations to accelerate U.S.-Japan cooperation in critical minerals. This event indicates that geopolitical risks are transforming from short-term shocks into long-term structural themes, with the allocation value of defense and security assets in portfolios continuing to rise.

Nasdaq 100 Reshuffle: Formal Establishment of the AI Main Line

The quarterly component adjustment of the Nasdaq 100 Index takes effect today. Five traditional software stocks have been removed, replaced by AI infrastructure companies such as CoreWeave and Astera Labs. CoreWeave specializes in GPU cloud computing rental services, while Astera Labs focuses on data center interconnect chips—both deeply benefiting from the explosion in large model training and inference demand. This adjustment marks the Nasdaq index's transition from an "internet + software" era to a "computing power + hardware" era. After the open, CoreWeave's stock gapped up over 8%, and Astera Labs gained over 5%, while removed names like Zoom and DocuSign faced passive fund selling pressure, declining between 3% and 5%. This event has dual significance: on one hand, the rebalancing of index funds injects hundreds of billions of passive capital into the AI track; on the other hand, it sends a clear signal to the market that the growth dividend of traditional SaaS models is giving way to the capex wave of AI infrastructure. Investors should monitor whether newly included companies can sustain performance expectations and whether removed stocks present value-recovery opportunities after excessive selling.

Conclusion: Structural Divergence and Long-Term Themes

Looking at today's U.S. market opening performance, short-term markets are shaped by three distinct event layers: the Lebanon-Israel agreement eases energy geopolitical risks but does not fully dispel uncertainty over OPEC+ production policy; Japan's defense upgrade strengthens the defensive attributes of the defense sector but also raises expectations of a global arms race; the Nasdaq component adjustment confirms the AI industry chain's transition from concept to core theme. Behind these events, a clear logic chain is emerging—global capital is shifting from traditional cyclical and defensive assets to technology infrastructure with long-term growth certainty. For investors, rather than chasing short-term news fluctuations, it is better to grasp the three structural themes of energy security, defense modernization, and AI computing power, and dynamically rebalance across indexes and individual stocks. After experiencing volatility in the first half of the year, the U.S. stock market is gradually establishing a new pricing system centered on "hard tech + national security."