Group 1 - The core viewpoint of the article highlights the potential for valuation improvement in Hong Kong's infrastructure sector, particularly in transportation assets, amid a declining interest rate cycle [1] - The CR450 high-speed train is expected to be operational by the end of 2026, with a 22% reduction in energy consumption and a 4% increase in traction efficiency, significantly enhancing high-speed rail operational capacity [1] - The transportation industry is showing structural opportunities, with high-speed rail technology upgrades and stable dividends in the infrastructure sector being key highlights [1] Group 2 - The transportation ETF (561320) tracks the mainland transportation index (000945), which includes representative companies from various sectors such as railways, highways, aviation, and shipping [1] - The index aims to reflect the overall performance of the domestic transportation industry, with constituent stocks typically having high market influence and industry representation [1] - Investors without stock accounts can consider related ETFs, such as the Guotai Zhongzheng Mainland Transportation Theme ETF [1]