Hong Kong’s September 25 Week: Stocks Slip Despite Strong Exports

Executive Summary

  • Weekly Market Loss: The Hang Seng Index closed at 24,510.09 on September 25, versus 24,750.78 on September 18, a calculated decline of 240.69 points, or 0.97% [6][5]. -> Treat the week’s early rally as reversed, not as evidence of a sustained advance.
  • Early Rally Fades: The index gained 1.18% on Monday, September 21, but finished Friday below the previous week’s close [3][5][6]. -> Distinguish a strong session from the full-week trend.
  • Technology Weakness: The Hang Seng TECH Index lost 0.41% on Thursday, when the broader Hang Seng fell 0.29% [9]. -> Watch whether technology shares continue to underperform.
  • Export Strength: Hong Kong’s August merchandise exports rose 53.0% year over year, according to the latest economic summary available for the week [7]. -> Keep the trade recovery in view without assuming it will lift stocks immediately.
  • Labor And Prices: Unemployment reached 3.8% in June-August, while underlying consumer prices rose 1.9% year over year in August [7]. -> Balance export optimism against a slightly softer labor market.
  • Interest-Rate Split: The HKMA’s 4.25% Base Rate, set September 17, followed a US rate increase, but HSBC and Standard Chartered left their best lending rates unchanged [4][2]. -> Do not equate an HKMA Base Rate move with an immediate rise in every borrower’s bank rate.

Stock Performance: A Monday Gain Gives Way To A Weekly Decline

Trading dateHang Seng closeWhat the available evidence shows
Friday, September 1824,750.78Comparison close for the trailing trading week [5].
Monday, September 2125,042.71Up 1.18%; market turnover was HK$202.7 billion [5][3].
Thursday, September 2424,761.13Down 72.99 points, or 0.29%, on the day; Hang Seng TECH closed at 4,361.13, down 0.41% [9].
Friday, September 2524,510.09The week ended 240.69 points, or 0.97%, below September 18, calculated from the two cited closes [6][5].

The key distinction is between Monday’s positive trading session and the negative five-session outcome. Monday’s gains included pharmaceuticals and biotechnology, while construction and home appliances were among the weaker themes; by Thursday, the broad and technology indexes were both down [3][9]. That rotation makes a single-day gain a poor proxy for weekly market breadth. The practical takeaway is to assess participation and turnover alongside the headline index, rather than extrapolating Monday’s rise.

Economic Indicators: Exports Surge, But Labor Softens

IndicatorLatest period reportedReadingInterpretation
Real GDP growthQ2 20264.3% year over year, after 5.9% in Q1 [7]Growth remained positive but was slower than in Q1.
Merchandise exportsAugust 2026+53.0% year over year [7]External trade was a clear area of strength.
Underlying Composite CPIAugust 2026+1.9% year over year, unchanged from the prior month [7]Underlying inflation was steady on this measure.
Seasonally adjusted unemploymentJune-August 20263.8%, up 0.1 percentage point from the preceding three-month period [7]Labor conditions weakened slightly.

The August export result and the week’s equity decline point in different directions: strong trade data did not prevent a negative weekly index return [7][5][6]. These measures describe different things and different periods, so their divergence is not itself evidence that exporters performed poorly. For decisions, use exports as an indicator of economic activity, while testing individual equity exposures against their own earnings and market sensitivity.

Financial Conditions: The HKMA And Banks Take Different Paths

The week’s interest-rate backdrop was established just before trading began. Following a 25-basis-point increase in the US federal funds target range, the HKMA set its Base Rate at 4.25% on September 17 under its stated formula [4]. Yet HSBC and Standard Chartered kept their Hong Kong best lending rates at 5.00% and 5.25%, respectively; Bank of China (Hong Kong) also kept its prime rate at 5.00% [2].

That bank response is the useful case study. The HKMA changed a rate used in its Discount Window framework, while the named commercial banks chose not to change their quoted prime lending rates immediately [4][2]. The outcome illustrates why a policy-rate headline alone does not establish the borrowing cost faced by a particular customer. Anyone assessing property finance or bank margins should check the relevant lending rate and loan terms, rather than applying the HKMA’s 25-basis-point move mechanically.

Market liquidity also needs context. Monday’s reported turnover was HK$202.7 billion, lower than on the preceding trading day [3]. That is one observed session, not a verified full-week turnover total; the available evidence does not establish a weekly net capital-flow figure. Consequently, the defensible conclusion is that trading activity varied, not that a quantified amount of money entered or left Hong Kong equities.

Synthesis

Hong Kong’s week presents three distinct signals. Equities measure investors’ changing valuation and risk appetite over the September 18-25 closes; on that measure, the Hang Seng fell 0.97% [5][6]. Economic releases describe earlier activity: August exports were up 53.0%, August underlying inflation was 1.9%, and June-August unemployment was 3.8% [7]. Interest rates reveal a further distinction between the HKMA’s 4.25% Base Rate and commercial banks’ unchanged quoted prime rates [4][2].

The apparent contradiction - robust export growth alongside a down week for stocks - is a reason to keep time horizons and transmission channels separate, not a reason to dismiss either figure. The most useful near-term watchpoints are whether index gains broaden beyond individual sessions, whether later labor readings confirm the uptick in unemployment, and whether banks eventually change customer-facing rates.

References

  1. Hong Kong Hang Seng Index September 2026 | countryeconomy.com. https://countryeconomy.com/stock-exchange/hong-kong?dr=2026-09
  2. Hong Kong Monetary Authority raises rate for first time in three years - The Business Times. https://www.businesstimes.com.sg/companies-markets/banking-finance/hong-kong-monetary-authority-raises-rate-first-time-three-years
  3. NewTimeSpace | Hong Kong Market Close: The Three Major Indices Strengthened Collectively, with the Hang Seng Index Up 1.18% | NewTimeSpace. https://www.newtimespace.com/en/finance/1448601.html
  4. Hong Kong Monetary Authority - Adjustment of Base Rate. https://www.hkma.gov.hk/eng/news-and-media/press-releases/2026/09/20260917-3
  5. Hang Seng, HSI:HKG Historical Prices - FT.com. https://markets.ft.markitdigital.com/data/indices/tearsheet/historical?s=HSI:HKG
  6. Hong Kong Stock Market Index (HK50) - Quote - Chart - Historical Data - News | Trading Economics
  7. Hong Kong Economy - Hong Kong Economic Situation - Latest Developments. https://www.hkeconomy.gov.hk/en/situation/development/index.htm
  8. Hong Kong Monetary Authority - Economic & Financial Data for Hong Kong. https://www.hkma.gov.hk/eng/data-publications-and-research/data-and-statistics/economic-financial-data-for-hong-kong/
  9. 9月24日港股收盘：恒指跌0.29% 恒生科技指数跌0.41% _ 东方财富网. https://finance.eastmoney.com/a/202609243883690719.html