房屋建设板块12月23日涨0.23%，高新发展领涨，主力资金净流入20.19万元

Group 1 - The housing construction sector increased by 0.23% compared to the previous trading day, with high-tech development leading the gains [1] - The Shanghai Composite Index closed at 3919.98, up by 0.07%, while the Shenzhen Component Index closed at 13368.99, up by 0.27% [1] - A table detailing the individual stock performance within the housing construction sector was provided [1] Group 2 - The net inflow of main funds into the housing construction sector was 201,900 yuan, while retail funds saw a net inflow of 2,012,370 yuan [2] - Conversely, speculative funds experienced a net outflow of 2,032,560 yuan [2] - A table showing the fund flow for individual stocks in the housing construction sector was included [2]