房屋建设板块9月30日跌0.07%，宁波建工领跌，主力资金净流出1.54亿元

Group 1 - The housing construction sector experienced a slight decline of 0.07% on September 30, with Ningbo Construction leading the drop [1] - The Shanghai Composite Index closed at 3882.78, up 0.52%, while the Shenzhen Component Index closed at 13526.51, up 0.35% [1] - Major stocks in the housing construction sector showed mixed performance, with China State Construction rising by 0.18% and Ningbo Construction falling by 2.07% [1] Group 2 - The net capital outflow from the housing construction sector amounted to 154 million yuan, with retail investors contributing a net inflow of 187 million yuan [1] - Detailed capital flow data indicates that high-profile stocks like China State Construction and Ningbo Construction faced significant net outflows from institutional and speculative investors [2] - Retail investors showed a positive net inflow in several stocks, particularly in Ningbo Construction, which saw a net inflow of 34.44 million yuan [2]