橡胶板块2月3日涨2.38%，三维股份领涨，主力资金净流入5916.5万元

Group 1 - The rubber sector experienced a rise of 2.38% on February 3, with Sanwei 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] - Key stocks in the rubber sector showed significant increases, with Sanwei Co., Ltd. closing at 11.33, up 4.04%, and Tongcheng New Materials at 55.98, up 3.27% [1] Group 2 - The rubber sector saw a net inflow of 59.165 million yuan from main funds, while retail investors experienced a net outflow of 65.6837 million yuan [1] - Among individual stocks, Kexin New Energy had a main fund net inflow of 84.1227 million yuan, while Sanwei Co., Ltd. had a net inflow of 33.39 million yuan from main funds [2] - The overall trading volume in the rubber sector was substantial, with notable transactions such as Tongcheng New Materials reaching a trading volume of 133,700 shares and a transaction value of 744 million yuan [1]