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AI Sector Under Short-term Pressure: Seek Structural Opportunities Amid Differentiation

Keywords: Guo AI 50, sector adjustment, stock differentiation, computing power infrastructure, investment strategy

Recently, the artificial intelligence (AI) sector has experienced significant fluctuations in the secondary market. On July 15, 2026, the Guo AI 50 concept index fell 1.06%, ranking among the top decliners in concept sectors, drawing widespread market attention. This is not an isolated event but a concentrated manifestation of market internal differentiation and expectation revision after the AI industry experienced sustained high prosperity. Based on that day's market performance, this article will deeply analyze the driving factors behind the sector adjustment and provide professional insights into the deep logic of intra-sector differentiation and future investment opportunities.

Market Performance Review: Structural Highlights Under Overall Pressure

The day's market data clearly reveal the current dynamics. On one hand, leading stocks collectively pulled back, with previously popular computing infrastructure targets like AtHub, Range Technology, and Baosight Software among the top decliners, dragging down the overall index. This reflects market profit-taking demand for stocks with excessive previous gains and may also imply concerns about high valuations and future industry competition changes.

On the other hand, the sector is not completely pessimistic. Data shows that 16 related stocks rose that day. Among them, Eoptolink led with a 10.99% gain, Megmeet and Zhongji Innolight recorded gains of 8.49% and 6.86%, respectively. This "ice and fire" pattern clearly indicates that market funds are shifting from broad-based gains to structural and thematic rotation.

Market trend chart Figure: Recent trend of the Guo AI 50 concept index, showing the tug-of-war between short-term adjustment and long-term trend.

In-depth Analysis: Three Driving Forces Behind the Adjustment

This adjustment is not without warning but is the result of multiple macro and micro factors interweaving.

First, valuation digestion demand. Since 2023, the AI sector has experienced a spectacular rally. Whether computing infrastructure or application ends, many companies' stock prices have already priced in years of future earnings expectations. As the market enters the earnings verification period, demands on fundamentals become unprecedentedly stringent. The decline of AtHub, Range Technology, and others is partly because their current P/E or P/B ratios are at historically high percentiles, requiring time to digest high valuations.

Second, fine-tuning of industry chain investment logic. In the early stage, the market generally focused on the "quantity" of computing power – who could provide more GPU clusters and larger data centers. As the industry chain matures, attention is shifting toward "efficiency" and "quality." Capital begins to scrutinize more segmented, technically higher-barrier areas. The counter-trend rise of Eoptolink and Zhongji Innolight confirms this trend. As core suppliers in the optical module field, they directly benefit from the volume demand of 800G and even 1.6T high-speed optical modules. The scarcity of their technology and production capacity provides stronger earnings certainty.

Third, reassessment of geopolitical and supply chain risks. The continuous escalation of US chip export controls on China has brought persistent uncertainty to the entire AI hardware supply chain. Although domestic manufacturers are actively pursuing domestic substitution, impaired supply of high-performance chips in the short term may affect the construction progress of some computing centers that rely on overseas advanced processes. The pressure on Baosight Software may include market concerns about slower project delivery.

Investment Implications from Differentiated Market: From "Elephant Dancing" to "Elite Breakthroughs"

This adjustment is not only a risk lesson for investors but also an opportunity to reassess investment strategies. The core conclusion is that AI investment is shifting from a broad, rising-tides-lift-all-boats opportunity to a differentiation game focused on core competitiveness.

1. Focus on earnings certainty and technology moats. Going forward, companies with strong earnings support will be more favored. The counter-trend strength of Eoptolink and Megmeet is inseparable from their leadership in respective segments and measurable, predictable growth. Sub-sectors like optical modules, power management systems, and liquid cooling often enjoy higher valuation premiums due to rapid technology iteration and high customer stickiness.

2. Watch for downstream application start signals. When computing infrastructure investment enters a plateau, commercialization of AI applications will become the catalyst for the next phase. If large model applications, AI+ enterprise software, AI+ healthcare, AI+ autonomous driving produce blockbuster products or clear profit models, capital may rotate again, lifting the entire sector out of adjustment.

3. Beware of "concept stock" risks and identify pseudo-growth. Future sector volatility may intensify. Investors should be highly vigilant about companies with low correlation to AI core businesses that only management hype. Similarly, companies heavily invested in asset-heavy models like computing power leasing and data center operations but lacking pricing power need careful scrutiny of their cash flow and long-term debt.

Conclusion: Adjustment is a Necessary Part of a Healthy Market

Overall, the short-term decline of the Guo AI 50 concept is a rational correction after market overheating, not a fundamental reversal of industry logic. AI, as the core driving force of the Fourth Industrial Revolution, still has broad long-term development prospects. This adjustment is more like a "reshuffling," squeezing out some bubbles and creating rare deployment windows for prepared value investors. Especially for high-quality companies with hard technology in core segments of the industry chain, short-term price fluctuations cannot shake their long-term growth logic. Looking ahead, investors should focus more on technological innovation and closely follow the industry's shift from "construction period" to "application period," seeking structural opportunities that can ride through cycles amid differentiation.