A股异动丨有机硅概念股走强，东岳硅材、江苏国泰、合盛硅业涨停

Core Viewpoint - The A-share market for silicon-based stocks is experiencing a strong performance, driven by industry dynamics and potential consolidation efforts among leading polysilicon companies [1] Group 1: Market Performance - Dongyue Silicon Material reached a 20% limit-up, while Jiangsu Guotai and Hesheng Silicon Industry both hit a 10% limit-up [1] - Other companies such as Silica Technology, Ruitai New Materials, and Tianci Materials saw increases of over 6%, with several others rising more than 4% [1][2] - The overall market sentiment is positive, with MACD golden cross signals indicating a favorable trend for these stocks [2] Group 2: Industry Developments - In response to the "anti-involution" trend in the photovoltaic sector, leading polysilicon companies are planning to form a consortium to eliminate excess capacity and address accumulated industry debts [1] - The total investment for this initiative is estimated to be between 20 billion to 30 billion yuan, although specifics are still uncertain [1] - Xingfa Group noted that the organic silicon market is facing competitive pressure due to supply factors, but expects product prices to gradually recover from the bottom range in the coming years [1]