南向资金今日大幅净卖出78.66亿元。港股通（沪）方面，腾讯控股、小米集团-W分别获净卖出25.43亿港元、16.86亿港元；建设银行净买入额居首，金额为6.68亿港元；港股通（深）方面，中芯国际、小米集团-W分别获净卖出4.43亿港元、3.41亿港元；美团-W净买入额居首，金额为1.21亿港元。

Group 1 - Southbound funds experienced a significant net sell-off of 7.866 billion yuan today [1] - In the Hong Kong Stock Connect (Shanghai), Tencent Holdings and Xiaomi Group-W saw net sell-offs of 2.543 billion HKD and 1.686 billion HKD respectively [1] - Construction Bank had the highest net buying amount at 668 million HKD [1] Group 2 - In the Hong Kong Stock Connect (Shenzhen), SMIC and Xiaomi Group-W faced net sell-offs of 443 million HKD and 341 million HKD respectively [1] - Meituan-W recorded the highest net buying amount at 121 million HKD [1]