On June 18, 2024, Nanda Optoelectronics (stock code: 300346) surged by the daily trading limit of 20%, hitting the maximum allowable gain for ChiNext-listed stocks. The sharp rally was driven by multiple positive catalysts: recent technological breakthroughs in critical semiconductor materials such as electronic specialty gases and photoresists, along with certifications from several leading chipmakers. Additionally, ongoing government support for domestic semiconductor supply chain self-reliance has boosted sector-wide sentiment. Market rumors also suggest the company may be involved in a national-level photoresist R&D initiative, further fueling investor enthusiasm. As a domestic leader in high-purity electronic materials, Nanda Optoelectronics has significantly increased its R&D investment in recent years, enabling gradual import substitution and strengthening its role in China’s semiconductor ecosystem. While today’s 20% surge reflects strong market confidence in its technical capabilities and the broader localization trend, investors should remain cautious about near-term volatility and monitor actual order execution and evolving industry competition.
2024年6月18日，南大光电（股票代码：300346）股价强势涨停，涨幅达20%，触及创业板单日最大涨跌幅限制。此次涨停主要受到多重利好因素推动：一方面，公司近期在电子特气和光刻胶等半导体关键材料领域取得技术突破，获得多家头部芯片制造企业的认证；另一方面，国家对半导体产业链自主可控的政策支持力度持续加大，带动整个板块情绪回暖。此外，市场传闻南大光电或参与某国家级光刻胶攻关项目，进一步激发投资者热情。作为国内高纯电子材料领域的领先企业，南大光电近年来持续加大研发投入，产品逐步实现进口替代，在国产半导体供应链中占据重要地位。此次20cm涨停不仅反映了市场对其技术实力的认可，也体现了资金对国产替代逻辑的持续追捧。不过，投资者仍需关注后续订单落地情况及行业竞争格局变化，理性看待短期波动。
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