Cramer says that Q3 winners may keep inching higher but the biggest gains may 'have already been made'
1. Cramer suggests Q3 winners indicate potential for future gains. 2. AppLovin saw a 105% stock price surge, attracting institutional interest. 3. Western Digital and Seagate gained 87% and 63% due to AI demand. 4. Speculation of takeover boosts Warner Bros. Discovery's share price by 70%. 5. Cramer warns against investing in underperforming sectors like managed care.