How activist Mantle Ridge's presence at Cognizant can help lift the company's valuation
1. Mantle Ridge owns over $1 billion in CTSH shares. 2. Cognizant's leadership changes have improved performance metrics drastically. 3. Total shareholder return surpassed 30% under new management. 4. CTSH still trades at a discount compared to peers like Infosys. 5. Positive trends in growth and attrition signal a favorable outlook for CTSH.