共享经济板块2月4日涨1.23%，珈伟新能领涨，主力资金净流出9.76亿元

Group 1 - The shared economy sector increased by 1.23% on February 4, with Jiawei New Energy leading the gains [1] - The Shanghai Composite Index closed at 4102.2, up 0.85%, while the Shenzhen Component Index closed at 14156.27, up 0.21% [1] - Key stocks in the shared economy sector showed significant price increases, with Jiawei New Energy rising by 6.41% to a closing price of 4.48 [1] Group 2 - The shared economy sector experienced a net outflow of 976 million yuan from main funds, while retail investors contributed a net inflow of 765 million yuan [2] - Notable stocks with significant net inflows from retail investors include BYD, which saw a net outflow of 2.19 billion yuan from main funds but a net inflow of 4.571 billion yuan from main funds [3] - The trading volume and turnover for key stocks in the shared economy sector indicate active market participation, with Jiawei New Energy achieving a turnover of 332 million yuan [1][2]