房屋建设板块1月21日跌1.02%，重庆建工领跌，主力资金净流出236.11万元

Core Viewpoint - The housing construction sector experienced a decline of 1.02% on January 21, with Chongqing Construction leading the drop, while the overall market indices showed slight gains [1] Group 1: Market Performance - The Shanghai Composite Index closed at 4116.94, up 0.08% - The Shenzhen Component Index closed at 14255.12, up 0.7% [1] Group 2: Individual Stock Performance - High-tech Development (000628) closed at 49.48, up 1.92% with a trading volume of 75,300 shares and a turnover of 371 million yuan - Shanghai Construction (600170) closed at 2.93, down 0.34% with a trading volume of 1,911,000 shares and a turnover of 558 million yuan - Ningbo Construction (601789) closed at 5.17, down 0.39% with a trading volume of 179,800 shares and a turnover of 92.875 million yuan - Zhejiang Construction Investment (002761) closed at 8.73, down 0.68% with a trading volume of 121,800 shares and a turnover of 106 million yuan - Shaanxi Construction (600248) closed at 3.64, down 1.09% with a trading volume of 210,800 shares and a turnover of 76.804 million yuan - China Construction (601668) closed at 5.08, down 1.17% with a trading volume of 2,581,800 shares and a turnover of 1.318 billion yuan - Longyuan Construction (600491) closed at 667, down 2.61% with a trading volume of 269,000 shares and a turnover of 81.136 million yuan - Chongqing Construction (600939) closed at 3.20, down 3.03% with a trading volume of 317,200 shares and a turnover of 101 million yuan [1] Group 3: Capital Flow Analysis - The housing construction sector saw a net outflow of 2.3611 million yuan from main funds, while speculative funds had a net inflow of 95.6059 million yuan, and retail investors experienced a net outflow of 93.2448 million yuan [1] - China Construction (601668) had a main fund net inflow of 67.5984 million yuan, while retail investors saw a net outflow of 111 million yuan [2] - High-tech Development (000628) had a main fund net inflow of 11.2287 million yuan, with retail investors experiencing a net outflow of 36.8553 million yuan [2] - Shaanxi Construction (600248) had a main fund net inflow of 2.6979 million yuan, while retail investors saw a net outflow of 10.0428 million yuan [2] - Zhejiang Construction Investment (002761) had a main fund net outflow of 0.6481 million yuan, with retail investors experiencing a net outflow of 5.8742 million yuan [2] - Chongqing Construction (600939) had a main fund net outflow of 10.6428 million yuan, while retail investors saw a net inflow of 8.5781 million yuan [2] - Ningbo Construction (601789) had a main fund net outflow of 11.3609 million yuan, with retail investors experiencing a net inflow of 4.8513 million yuan [2] - Longyuan Construction (600491) had a main fund net outflow of 20.4450 million yuan, while retail investors saw a net inflow of 7.6028 million yuan [2] - Shanghai Construction (600170) had a main fund net outflow of 40.7891 million yuan, with retail investors experiencing a net inflow of 49.4430 million yuan [2]