装修建材板块10月17日跌2.53%，法狮龙领跌，主力资金净流出2.51亿元

Core Viewpoint - The renovation and building materials sector experienced a decline of 2.53% on October 17, with the leading stock, Lawson, falling significantly by 6.60% [1][2]. Market Performance - The Shanghai Composite Index closed at 3839.76, down 1.95%, while the Shenzhen Component Index closed at 12688.94, down 3.04% [1]. - The renovation and building materials sector saw a net outflow of 251 million yuan from major funds, while retail investors contributed a net inflow of 178 million yuan [2][3]. Stock Performance - Notable gainers included: - Jingxue Energy (301010) with a closing price of 21.30, up 4.16% [1]. - Huali Co., Ltd. (603038) closed at 20.73, up 2.57% [1]. - Major decliners included: - Lawson (605318) closed at 54.31, down 6.60% [2]. - Ruida Technology (002066) closed at 14.96, down 4.35% [2]. Trading Volume and Value - The trading volume for Jingxue Energy was 95,300 shares, with a transaction value of 202 million yuan [1]. - Lawson had a trading volume of 77,100 shares, with a transaction value of 433 million yuan [2]. Fund Flow Analysis - Major funds showed a net inflow in Huali Co., Ltd. (603038) of 54.43 million yuan, while retail investors had a net outflow of 69.19 million yuan [3]. - The overall fund flow indicates a mixed sentiment among different investor categories within the sector [2][3].