亚马逊加速布局，美国生鲜电商战场烽烟再起

Group 1 - Amazon is accelerating its expansion in the fresh e-commerce market, aiming to compete with Walmart by increasing its same-day delivery service coverage from over 1,000 cities to over 2,300 cities by the end of this year, with plans for further expansion by 2026 [1] - Amazon's Prime members can enjoy free shipping on orders over $25, while non-Prime members face a shipping fee of $12.99 for all orders [1] - Amazon's stock rose by 1.39% to $224.54 per share, with a total market capitalization of $2.39 trillion following the announcement of its fresh e-commerce plans [5] Group 2 - Amazon plans to invest $4 billion by the end of 2026 to enhance its logistics system in rural areas, which will help serve remote consumers more efficiently and strengthen its position in the fresh e-commerce market [2] - The fresh e-commerce market is becoming increasingly competitive, with emerging platforms like Instacart and DoorDash gaining traction, leading to stock price fluctuations among companies in the sector [5] - The fresh e-commerce industry faces profitability challenges due to limited margins on fresh products and high costs related to storage, spoilage, labor, and marketing [5] - Companies that can quickly adapt to market changes, provide quality services, and effectively control costs are likely to emerge as leaders in the fresh e-commerce sector [6]