整理：7月4日欧盘美盘重要新闻汇总

Domestic News - The People's Bank of China is soliciting public opinions on the "Rules for Cross-Border Payment System Business" to better meet the needs of CIPS business development [1] - The Ministry of Housing and Urban-Rural Development aims to stabilize expectations, activate demand, optimize supply, and mitigate risks to promote a recovery in the real estate market [1] - China plans to shorten the originally scheduled two-day China-Europe leaders' meeting, with both sides agreeing to prepare for a new meeting and maintain communication on specific arrangements [1] International News - Ukrainian President Zelensky discussed air defense issues with Trump and agreed to enhance "sky defense" capabilities [2] - Trump announced plans to issue a tariff letter on Friday, with a floating range of 10%-70%, effective from August 1 [2] - The U.S.-Switzerland trade agreement may include guarantees on drug tariffs [2] - Indian officials stated that a trade agreement with the U.S. would only be reached by July 9 if it aligns with their interests [2] - India proposed retaliatory tariffs on U.S. auto parts tariffs at the World Trade Organization [2] - German Chancellor Merz discussed trade issues with U.S. President Trump [2] Industry News - National electricity load exceeded 1.4 billion kilowatts, setting a new historical high [3] - The Civil Aviation Administration of China established a leadership group for general aviation and low-altitude economy [3] - The EU will allocate €852 million to six electric vehicle battery projects [3] - Market news indicates that the U.S. plans to impose AI chip restrictions on Malaysia and Thailand [3] - U.S. Defense Secretary Hegseth reportedly paused arms shipments to Ukraine again [3] - OPEC+ has moved its policy meeting to Saturday, expected to agree on an increase of 411,000 barrels per day in August [3] - A survey showed that OPEC's crude oil production in June increased by 270,000 barrels per day compared to May, reaching 27.02 million barrels per day [3]