香港金管局买入超200亿港元，捍卫联系汇率制

Group 1 - The Hong Kong Monetary Authority (HKMA) intervened in the market by purchasing HKD 20.018 billion due to the Hong Kong dollar reaching the weak side of the peg [1] - This action reflects the HKMA's commitment to maintaining the currency peg between the Hong Kong dollar and the US dollar [1] - The intervention indicates potential pressure on the Hong Kong dollar, suggesting that market conditions may be influencing currency stability [1]