特钢板块2月3日涨3.24%，常宝股份领涨，主力资金净流出8528.62万元

Market Performance - The special steel sector increased by 3.24% on February 3, with Changbao Co., Ltd. leading the gains [1] - The Shanghai Composite Index closed at 4067.74, up 1.29%, while the Shenzhen Component Index closed at 14127.1, up 2.19% [1] Individual Stock Performance - Changbao Co., Ltd. (002478) closed at 10.27, with a rise of 7.99% and a trading volume of 448,300 shares, amounting to a transaction value of 451 million [1] - Jiuli Special Materials (002318) closed at 33.88, up 6.94%, with a trading volume of 141,100 shares and a transaction value of 466 million [1] - Fushun Special Steel (665009) closed at 6.61, up 4.09%, with a trading volume of 999,300 shares and a transaction value of 658 million [1] - Other notable stocks include Taiyuan Iron & Steel (000825) at 5.01 (+3.94%), Fangda Special Steel (600507) at 6.16 (+3.88%), and Shengde Yantai (300881) at 40.50 (+2.22%) [1] Capital Flow Analysis - The special steel sector experienced a net outflow of 85.2862 million from institutional investors and 15.4187 million from retail investors, while retail investors saw a net inflow of 101 million [1] - Specific stock capital flows indicate that Shagang Co. (002075) had a net inflow of 27.8528 million from institutional investors, while Changbao Co. (002478) had a net outflow of 26.0742 million [2] - Jiuli Special Materials (002318) also saw a net inflow of 20.5370 million from institutional investors, while West Ning Special Steel (600117) had a net inflow of 9.5394 million [2]