化学原料板块2月3日涨2.76%，江天化学领涨，主力资金净流出3.93亿元

Group 1 - The chemical raw materials sector increased by 2.76% on February 3, with Jiangtian Chemical 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] - Jiangtian Chemical's stock price rose by 11.39% to 33.75, with a trading volume of 199,700 shares and a transaction value of 652 million yuan [1] Group 2 - The main funds in the chemical raw materials sector experienced a net outflow of 393 million yuan, while retail investors saw a net inflow of 461 million yuan [2] - The trading data for various companies in the sector shows mixed performance, with some stocks like Jiangtian Chemical and Huarong Chemical seeing significant gains, while others like Jinniu Chemical and Luxi Chemical reported declines [2][3] - The net inflow and outflow of funds varied significantly among individual stocks, indicating diverse investor sentiment within the sector [3]