玻璃玻纤板块9月12日跌2.52%，中材科技领跌，主力资金净流出2.98亿元

Market Overview - The glass and fiberglass sector experienced a decline of 2.52% on September 12, with China National Materials Technology leading the drop [1] - The Shanghai Composite Index closed at 3883.69, up 0.22%, while the Shenzhen Component Index closed at 12996.38, up 0.13% [1] Stock Performance - Key stocks in the glass and fiberglass sector showed mixed performance, with notable declines in several companies: - China National Materials Technology (002080) fell by 4.46% to 34.71 [2] - Other significant declines included Shandong Pofiber (605006) down 3.67% and China Mingsheng (600176) down 2.61% [2] - Conversely, Honghe Technology (603256) increased by 2.26% to 40.30, while Sanxia New Materials (600293) rose by 1.61% to 3.16 [1][2] Trading Volume and Capital Flow - The glass and fiberglass sector saw a net outflow of 298 million yuan from institutional investors, while retail investors contributed a net inflow of 151 million yuan [2] - The trading volume for Honghe Technology reached 427,900 shares, with a transaction value of 1.712 billion yuan [1] Individual Stock Capital Flow - Notable capital flows included: - Honghe Technology had a net inflow of 22.89 million yuan from institutional investors, while retail investors saw a net outflow of 67.77 million yuan [3] - China National Materials Technology experienced a net inflow of 1.95 million yuan from institutional investors but a net outflow of 26.09 million yuan from retail investors [3] - Other companies like North Glass (002613) and Jiuding New Materials (002201) also faced significant net outflows from institutional investors, indicating a cautious sentiment in the market [3]