Group 1 - A-shares indices collectively surged on July 22, driven by news related to the Yarlung Tsangpo River downstream hydropower project, with related stocks such as Wuxin Tunnel Engineering and China Railway Heavy Industry hitting the daily limit [1] - The Yarlung Tsangpo River downstream hydropower project, which commenced on July 19, involves the construction of five cascade power stations with a total investment of approximately 1.2 trillion yuan, generating power equivalent to three Three Gorges projects, marking it as the largest hydropower project in human history [1] - According to Everbright Securities, the Yarlung Tsangpo River downstream hydropower development is a key project during China's 14th Five-Year Plan, with secured funding and expected to effectively boost infrastructure investment growth [1] Group 2 - Huatai Securities indicated that the power consumption demand driven by the Yarlung Tsangpo downstream project will promote the construction of ultra-high voltage direct current lines, with equipment investment potentially reaching 50 billion yuan, benefiting leading companies in the power grid equipment sector [1] - The Infrastructure 50 ETF (159635) tracks the China Securities Infrastructure Index, covering industries such as infrastructure construction and engineering machinery, with a weight of over 95% in construction and engineering machinery [2] - The Electric Grid Equipment ETF (159326) is the only ETF tracking the China Securities Electric Grid Equipment Index, focusing on ultra-high voltage industries and smart grid construction [2] - The Green Power ETF (562550) tracks the China Securities Green Power Index, including clean energy companies like hydropower, wind power, and photovoltaic power, with a water power weight of 29.12% [2]