Group 1 - Natural gas and hydrogen concepts saw significant movement, with Thopu Co. hitting a 20% limit up [6] - Multiple financial sectors strengthened, with Nanhua Futures achieving consecutive gains and Yuexiu Capital rising over 5% [3] - Northern Rare Earth opened nearly 8% higher, expecting a net profit increase of 1883% year-on-year to 2.015 billion [3] Group 2 - The Hong Kong stock market experienced slight fluctuations, with the Hang Seng Index turning upward while the Hang Seng Tech Index saw a minor decline [4] - The stock of Juxing Legend continued to rise, gaining over 18% following news of Jay Chou's Douyin account surpassing 10 million followers [5] Group 3 - Green hydrogen projects are expected to see increased commencement rates due to falling electricity prices, rising carbon prices, policy support, and growth in green fuel orders [8] - The photovoltaic sector remained active, with Tuo Ri New Energy achieving three consecutive limits up and Huaguang Huaneng reaching six consecutive limits up [9] Group 4 - President Trump announced a 50% tariff on imported copper effective August 1, 2025, which could significantly impact various sectors of the U.S. economy [10] - Copper, the third most consumed metal globally, is primarily imported from Chile, and the tariff may lead to increased costs across multiple industries [11] - Following the tariff announcement, copper futures prices surged, reaching a record high with a 17% intraday increase [12]