Core Viewpoint - The recent adjustments in trading fees by the Zhengzhou Commodity Exchange aim to cool down the market, leading to a notable rebound in previously declining commodities like glass and soda ash [1][3]. Group 1: Trading Fee Adjustments - The Zhengzhou Commodity Exchange announced an increase in trading fees for glass, soda ash, and caustic soda effective from July 30, 2025, with specific fees set at 10 CNY per hand for glass and 0.04% and 0.02% of transaction value for soda ash and caustic soda respectively [1]. - Following the announcement, commodities such as焦煤 (coking coal), glass,焦炭 (coke), and soda ash experienced significant price rebounds, with焦煤 rising over 6% and glass over 4% [1]. Group 2: Market Activity and Trends - The trading volume in the futures market has significantly decreased, with a 31.89% drop to 38.76 million hands and a 23.45% decrease in transaction value to 321.26 billion CNY, marking the lowest levels since July 21 [3]. - Despite being among the top traded commodities, glass and soda ash saw their trading volumes decline by 26.3% and 32.5% respectively, while焦煤's volume dropped nearly 40% [3]. - There is a continued outflow of funds from the glass and soda ash markets, with outflows of 221 million CNY and 102 million CNY respectively, alongside a reduction in positions for both commodities [3]. Group 3: Market Sentiment and Future Outlook - Analysts indicate that the rapid price increases in the past have created a negative feedback loop, constraining manufacturers' ability to sell, with the market shifting focus from expectations to fundamental logic [4]. - The black series commodities are showing mixed trends, with焦煤 continuing to decline but at a reduced rate, while螺纹 (rebar) and热卷 (hot-rolled coil) have seen increases of around 2% [6]. - The market sentiment is influenced by rumors and potential policy changes, with expectations of production cuts in September, although the actual impact remains uncertain [7].

Group 1 - The construction materials, building, electrical grid, chemical raw materials, and industrial machinery sectors have seen significant gains, with the construction materials ETF (516750) hitting a 10% limit up at a price of 0.712 and a trading volume of 400 million shares, totaling 284 million yuan [1] - Among the index constituents, 18 stocks including Jinyu Group, Qingsong Jianhua, Subote, Longquan Co., and Lezhi Group have also reached the 10% limit up, with 41 stocks in total showing positive performance, and 26 stocks rising over 5% [1] - The Belt and Road ETF (515150) and the Central Enterprise Innovation ETF (159974), which also include construction materials and decoration industries, have increased by 3.13% and 2.96% respectively [1] Group 2 - The Yarlung Tsangpo River downstream hydropower project commenced construction on July 19, with a total investment of 1.2 trillion yuan, which is expected to directly benefit the cement and steel industries during the construction phase, with a projected total cement demand of 20 to 30 million tons and an average annual demand of 1 to 1.5 million tons [1] - The "anti-involution" policy guidance and industry self-discipline are expected to further clear excess capacity in the construction materials industry, effectively enhancing the overall profitability of the sector [1]

Group 1 - The A-share market saw a strong performance with major indices rising, particularly in sectors such as electrical engineering, industrial machinery, chemical raw materials, building materials, and construction [1] - The building materials ETF (516750) experienced a significant increase, reaching a peak rise of 7.88% during trading, with a current increase of 7.11% and trading volume exceeding 66 million yuan [1] - A total of 16 central enterprises signed investment agreements for 75 industrial projects in Tibet, amounting to 317.537 billion yuan, focusing on urgent needs in clean energy, green minerals, electricity communication, and infrastructure [1] Group 2 - The construction materials ETF (516750) closely tracks the CSI All Share Building Materials Index, reflecting the overall performance of stocks in the building materials industry [2] - The process of "de-involution" in industries such as petrochemicals and building materials may present significant investment opportunities [2]