Entegris Set to Join S&P MidCap 400
1. Arcadium Lithium (ALTM) will be removed from the S&P MidCap 400. 2. Entegris Inc. will replace ALTM in the index on March 6. 3. Rio Tinto is acquiring Arcadium Lithium pending final conditions. 4. Removal from the S&P index typically leads to decreased stock demand. 5. This acquisition may affect ALTM's future growth potential.