Ge Long Hui A P P·2025-08-13 13:33Core Viewpoint - Amazon's announcement of same-day free delivery for Prime members has negatively impacted Walmart and Kroger's stock prices, indicating increased competition in the grocery delivery market [1] Group 1: Company Impact - Walmart's stock (WMT.US) fell nearly 1% in pre-market trading following Amazon's announcement [1] - Kroger's stock (KR.US) experienced a decline of over 2% in the same trading session [1] Group 2: Industry Developments - Amazon will offer same-day free delivery for Prime members on orders over $25, while non-Prime members will incur a fee of $12.99 for the same service [1] - The grocery delivery service will be expanded to 2,300 locations by the end of the year, indicating Amazon's aggressive growth strategy in the grocery sector [1]