海外宏观周报（香港市场观察第2期）：金管局跟随降息，港股保持热度-20250930

Group 1: Macroeconomic Overview - The Hong Kong Monetary Authority (HKMA) followed the Federal Reserve's rate cut on September 18, reducing the base rate by 25 basis points to 4.5%, indicating potential further declines in interest rates due to the Fed's ongoing easing policy [4][12]. - The Hong Kong dollar (HKD) appreciated slightly against the US dollar, with the exchange rate at 7.7839 on September 29, compared to 7.7963 at the end of August, reflecting a stable banking system surplus of HKD 54.2 billion [13]. Group 2: Stock Market Performance - The Hang Seng Index rose by 6.16% over the past month, with the Hang Seng Technology Index increasing by 11.45% and the Hang Seng China Enterprises Index up by 5.66% [5][15]. - The average price-to-earnings (P/E) ratio of the Hang Seng Index reached 12.06 times, placing it in the 79.7% percentile of the past decade, while the average price-to-book (P/B) ratio was 1.23 times, in the 83.6% percentile [19][21]. Group 3: Sector Analysis - The materials sector saw the highest increase, with an 18.4% rise, followed by non-essential consumer goods at 17.8%, while telecommunications experienced the largest decline [15][17]. - Notable performers in the sub-sectors included other metals and minerals, food additives, and online retailers, which rose by 39.9%, 31.5%, and 31.2% respectively [17]. Group 4: Capital Flows - Southbound capital inflows reached over HKD 160 billion in September, marking a four-year monthly high, with total inflows for the year surpassing HKD 1 trillion for the first time [25][27]. - The sectors attracting the most inflows included non-essential consumer goods, healthcare, and information technology [27].