房地产开发板块12月22日涨0.83%，海南机场领涨，主力资金净流出1447.56万元

Core Insights - The real estate development sector saw an increase of 0.83% on December 22, with Hainan Airport leading the gains [1] - The Shanghai Composite Index closed at 3917.36, up 0.69%, while the Shenzhen Component Index closed at 13332.73, up 1.47% [1] Real Estate Sector Performance - Hainan Airport (600515) closed at 5.25, up 10.06% with a trading volume of 3.1082 million shares and a transaction value of 1.590 billion [1] - Shoukai Co. (600376) closed at 5.51, up 9.98% with a trading volume of 1.4085 million shares and a transaction value of 743 million [1] - Beichen Real Estate (601588) closed at 1.86, up 6.29% with a trading volume of 1.3817 million shares and a transaction value of 257 million [1] - Other notable performers include Xian Dao Ji Dian (600641) up 5.44%, Zhu Tu Zhi Tuan (600185) up 4.78%, and Hefei Urban Construction (002208) up 3.84% [1] Capital Flow Analysis - The real estate development sector experienced a net outflow of 14.4756 million from institutional investors, while retail investors saw a net inflow of 139.903 million [2] - Shoukai Co. (600376) had a net inflow of 19.2 million from institutional investors, but a net outflow of 97.2709 million from speculative funds [2] - Hainan Airport (600515) saw a net inflow of 16.7 million from institutional investors, with significant outflows from both speculative and retail investors [2] - Beichen Real Estate (601588) had a net inflow of 70.9605 million from institutional investors, but also faced outflows from speculative and retail investors [2]