截至发稿，南向资金净买入超160亿港元

Group 1 - The core point of the article is that southbound funds have net purchases exceeding 16 billion Hong Kong dollars as of the report date [1] Group 2 - The report indicates a significant inflow of capital into the market, reflecting investor confidence [1] - The net buying activity suggests a positive sentiment towards the Hong Kong stock market from mainland investors [1]