美股三大指数集体低开，中概股多数走低

Group 1: Company News - Kingsoft Cloud (KC.US) officially launched the Kingsoft Government AI Integrated Machine, marking a significant breakthrough in the "AI + government office" application field, providing clients in the government sector with "out-of-the-box" intelligent document writing model applications [5] - Mercedes-Benz India reported a 10% year-on-year increase in retail sales for April to June, reaching a record high of 4,238 vehicles, driven by a 20% increase in high-end vehicle sales and a 157% increase in electric vehicle sales, which now account for 8% of total sales [6] - XPeng Motors (09868/XPEV) announced the grant of 910,000 restricted stock units to 44 employees under the 2025 stock incentive plan, with no need for shareholder approval, and the granted units must comply with the terms of the incentive plan and agreements with the recipients [8] Group 2: Industry News - Alibaba has launched instant retail services such as "hourly delivery" in Australia, Brazil, the Middle East, and the UK, primarily through its cross-border e-commerce platform AliExpress, collaborating with local platforms [7]