地摊经济板块2月6日跌0.67%，百大集团领跌，主力资金净流出3.38亿元

Group 1 - The core viewpoint of the article indicates that the street vendor economy sector experienced a decline of 0.67% compared to the previous trading day, with Baida Group leading the losses [1] - On the same day, the Shanghai Composite Index closed at 4065.58, down 0.25%, while the Shenzhen Component Index closed at 13906.73, down 0.33% [1] - The street vendor economy sector saw a net outflow of 338 million yuan from main funds, a net outflow of 176 million yuan from speculative funds, and a net inflow of 515 million yuan from retail investors [1] Group 2 - The article provides a summary of the fund flow within the street vendor economy sector, highlighting the significant net outflows and inflows among different types of investors [1]