Theme park superfan Travis Kelce joins activist investors with 9% stake in Six Flags
1. Jana Partners acquired a 9% stake in Six Flags. 2. Travis Kelce joins efforts to enhance Six Flags' marketing. 3. Six Flags shares rose 17% following the announcement. 4. The stock is down 58% since its Cedar Fair merger. 5. New executives from activist funds may join Six Flags' board.