Nasdaq-100 reshuffle: Walmart set to join US stock market index; to replace AstraZeneca from January 20

Group 1 - Walmart will become part of the Nasdaq-100 Index starting January 20, replacing AstraZeneca [2][3] - The retailer will also join the Nasdaq-100 Equal Weighted Index and the Nasdaq-100 Ex-Tech Sector Index [2][3] - Companies often make such moves to connect with different investor groups and minimize listing and compliance expenses [2][3] Group 2 - The Nasdaq-100 Index includes top non-financial companies like Nvidia and Apple, making it attractive for major corporations [2][3] - Improved technology and services from the new exchange platform may be offered through the Nasdaq system [2][3] - The Nasdaq-100 Index has attracted several firms that switched from the NYSE to Nasdaq in 2025 [2][3]