Market news: Delegates said OPEC+ discussed increasing oil production by 411,000 barrels per day in August.

Germany's DAX30 index opened down 66.54 points, or 0.28%, at 23,835.65 points on July 4 (Friday); UK's FTSE 100 index opened down 31.44 points, or 0.36%, at 8,791.76 points on July 4 (Friday); Europe's STOXX 50 index opened down 32.10 points, or 0.60%, at 5,311.05 points on July 4 (Friday); West Spain's IBEX35 index opened down 76.66 points, or 0.54%, at 14089.14 points on July 4 (Friday); Italy's FTSE MIB index opened down 89.15 points, or 0.22%, at 39854.00 points on July 4 (Friday); France's CAC40 index opened down 41.89 points, or 0.54%, at 7712.66 points on July 4 (Friday).

Important news 1. Investor: Yushu Technology may IPO on the Science and Technology Innovation Board. 2. Ministry of Industry and Information Technology: Comprehensively manage the low-price disorderly competition in the photovoltaic industry in accordance with laws and regulations. 3. National Medical Products Administration: Strengthen the registration guidance of artificial intelligence and biomaterials "unveiling the list" products. 4. Ministry of Commerce: Will strengthen the guidance on the export of used cars and promote the healthy and orderly development of used car exports. Individual stock news 1. Vanke borrowed money from Shenzhen Metro for the sixth time this year, with a total of more than 21.1 billion yuan. 2. Brothers Technology: Net profit in the first half of the year is expected to increase by 325%-431% year-on-year. 3. Shenshui Haina: Shareholders plan to reduce their holdings of no more than 2% of the company's shares. 4. Valin Steel: Xintai Life Insurance raised the company through the secondary market. 5. China Merchants Bank: Approved to set up China Merchants Financial Asset Investment Co., Ltd. 6. Huayin Power: Expected half-year net profit attributable to the parent company of 180 million to 220 million yuan. 7. Anlikang: Supervisor Pan Xiaoyun plans to reduce his holdings by no more than 159,000 shares. 8. Yongtai Technology: Due to a dispute over reputation rights, the company and its subsidiaries sued Tianci Materials. 9. Chengbang Shares: The controlling shareholder Fang Liqiang and the persons acting in concert have a high pledge ratio. 10. Fortune Trends: The actual controller and chairman plans to reduce his holdings by no more than 3% of the company's shares. 11. Songyang Resources: The planning of the change of control has been terminated, and the stock will resume trading on July 4. 12. Hesheng Silicon Industry: The controlling shareholder plans to exchange no more than 1% of the company's shares for ETF shares. 13. Beijing North: Reached a strategic cooperation with Guofu Quantum, focusing on virtual assets and digital currency business. 14. Wankai New Materials: Some production equipment has been reduced for maintenance, which is expected to have a significant impact on the company's overall operating performance. 15. Dadongnan: The company's product CPP aluminum-plastic film is suitable for the packaging of solid-state lithium batteries, but the product is not currently produced. 16. Almaden: The interview about “some enterprises in the photovoltaic glass industry have temporarily reduced their production capacity” did not involve the company’s own production arrangements or performance forecasts.