装修建材板块2月2日跌4.35%，顾地科技领跌，主力资金净流出3.8亿元

Market Overview - The renovation and building materials sector experienced a decline of 4.35% on February 2, with Gu Di Technology leading the drop [1] - The Shanghai Composite Index closed at 4015.75, down 2.48%, while the Shenzhen Component Index closed at 13824.35, down 2.69% [1] Stock Performance - Notable gainers included: - Huali Co., Ltd. (603038) with a closing price of 17.80, up 3.61% [1] - Yangzi New Materials (002652) at 4.01, up 1.78% [1] - Significant decliners included: - Gu Di Technology (002694) at 3.33, down 10.00% [2] - Fangda Group (000055) at 3.84, down 9.65% [2] - Luyang Energy-Saving (002088) at 12.25, down 7.76% [2] Trading Volume and Value - Huali Co., Ltd. had a trading volume of 151,500 shares and a transaction value of 274 million yuan [1] - Gu Di Technology recorded a trading volume of 93,800 shares with a transaction value of 31.23 million yuan [2] Capital Flow - The renovation and building materials sector saw a net outflow of 380 million yuan from institutional investors, while retail investors had a net inflow of 310 million yuan [2] - The sector's overall capital flow indicates a mixed sentiment among different investor types [2] Individual Stock Capital Flow - Gu Di Technology had a net inflow of 3.05 million yuan from institutional investors but a net outflow of 3.73 million yuan from speculative funds [3] - Huali Co., Ltd. experienced a net inflow of 3.01 million yuan from institutional investors, while retail investors had a net outflow of 13.28 million yuan [3]