Core Viewpoint - Walmart is set to join the Nasdaq-100 Index, replacing AstraZeneca, effective January 20 [1] Group 1: Index Inclusion - Walmart will also join the Nasdaq-100 Equal Weighted Index and the Nasdaq-100 Ex-Tech Sector Index [1] Group 2: Strategic Moves - Companies often switch exchanges for better alignment with investor bases and services [1] Group 3: Nasdaq-100 Characteristics - The Nasdaq-100 is known for including top non-financial companies [1]