李佳琦，公开道歉

Group 1 - The core issue involves multiple consumers reporting that after purchasing services from Platinum Travel Photography, they faced problems such as undelivered products and non-refundable deposits [1] - On July 24, influencer Li Jiaqi announced a refund plan for customers who purchased Platinum Travel Photography products through his live stream, allowing users to contact customer service for refunds or compensation [2] - On July 19, Platinum Travel Photography issued a statement addressing market rumors, indicating a decision to optimize its business model by reducing travel photography operations and closing unprofitable stores while maintaining stable operations in other business segments [2] Group 2 - The article references a significant increase in market activity, including a surge in A-shares and movements from state-owned investment entities, indicating a broader market trend [3] - It also mentions unexpected changes in tariffs affecting the U.S. and EU, which could have implications for various industries [3] - The article highlights a potential interest rate cut by the Federal Reserve, which may influence market dynamics and investment strategies [3]