Analysis of Strong Performance of Yanjiang Co., Ltd. (300658): Reasons, Supports, and Sustainability

Yanjiang Co., Ltd. (300658)’s strong performance is driven by multiple factors:

1. Financial Support
   : Q3 2025 financial data shows significant growth in revenue and net profit [3], providing a fundamental basis for the stock price.
2. Policy and Industry Dividends
   : After transforming into semiconductor-related fields, the company benefits from national semiconductor industry policy support [5] and rapid expansion of the global AI chip market [6].
3. Business Transformation Effectiveness
   : Transition from traditional disposable hygiene products to high-value-added semiconductor fields opens up a new growth curve.
4. Technical Characteristics
   : In April 2025, the stock price rose by 9.21% in a single day with significantly increased trading volume [4]; recently, the main net inflow was 21.0947 million yuan [1], but there was a 5.19% drop on the same day [2], reflecting short-term market divergence.

• Cross-domain Value Reconstruction
  : Traditional industry enterprises enter high-tech tracks through technological transformation, achieving dual empowerment of policy and market, reflecting the trend of industrial upgrading.
• Root Cause of Volatility
  : The coexistence of net capital inflow and stock price decline on the same day exposes market uncertainty about transformation progress and short-term speculative behavior.

:

• Short-term price volatility: Single-day rise and fall differentiation [1][2] increases trading risks;
• Transformation uncertainty: The semiconductor field has high technical barriers, and transformation effectiveness needs time to verify;
• Institutional holding pressure: Products under Guoxin Guozheng Fund have floating losses [2], which may trigger passive reductions.

:

• Global AI chip market growth: The market size expanded rapidly in 2025 [6], providing broad space for transformation businesses;
• Sustained policy dividends: National semiconductor industry support policies [5] help resource acquisition and market expansion.

: In the short term, we need to be alert to price volatility risks; in the long term, we should focus on transformation progress and the matching degree with industry trends.

Yanjiang Co., Ltd. (300658)’s strong performance stems from financial growth, favorable policies, business transformation, and market environment, but short-term volatility and transformation uncertainty constitute major challenges. Investors need to comprehensively consider fundamental, policy, and technical factors to rationally evaluate investment value.