白色家电板块12月23日涨0.22%，美的集团领涨，主力资金净流出1.83亿元

Group 1 - The white goods sector increased by 0.22% compared to the previous trading day, with Midea Group leading the gains [1] - The Shanghai Composite Index closed at 3919.98, up 0.07%, while the Shenzhen Component Index closed at 13368.99, up 0.27% [1] Group 2 - The white goods sector experienced a net outflow of 183 million yuan from main funds, with retail funds seeing a net inflow of 232 million yuan [2] - Speculative funds had a net outflow of approximately 48.96 million yuan [2]