装修建材板块1月30日跌2.06%，中钢洛耐领跌，主力资金净流出3.58亿元

Market Overview - The renovation and building materials sector experienced a decline of 2.06% on January 30, with Zhonggang Lonai leading the drop [1] - The Shanghai Composite Index closed at 4117.95, down 0.96%, while the Shenzhen Component Index closed at 14205.89, down 0.66% [1] Stock Performance - Notable gainers in the renovation and building materials sector included: - Yucheng Business (002457) with a closing price of 12.48, up 4.52% on a trading volume of 362,300 shares and a turnover of 444 million yuan [1] - Jingxue Shinen (301010) closed at 22.59, up 3.39% with a trading volume of 42,800 shares and a turnover of 96.31 million yuan [1] - Sentai Co., Ltd. (301429) closed at 20.94, up 2.75% with a trading volume of 19,500 shares and a turnover of 40.32 million yuan [1] - Major decliners included: - Zhonggang Rongnai (688119) closed at 6.39, down 10.88% with a trading volume of 674,800 shares [2] - Keshun Co., Ltd. (300737) closed at 7.12, down 6.44% with a trading volume of 715,900 shares [2] - Beijing Lier (002392) closed at 8.27, down 6.13% with a trading volume of 443,900 shares [2] Capital Flow - The renovation and building materials sector saw a net outflow of 358 million yuan from institutional investors, while retail investors experienced a net inflow of 267 million yuan [2] - The sector's capital flow indicated that: - Jianlang Hardware (002791) had a net outflow of 50.97 million yuan from institutional investors [3] - Qinglong Pipe Industry (002457) saw a net inflow of 46.20 million yuan from institutional investors [3] - Tubaobao (002043) had a net inflow of 8.93 million yuan from retail investors [3]