Image source: Six Flags.We're getting near the end of peak roller coaster-riding season, and that's naturally bittersweet for publicly traded Six Flags (NYSE: SIX) and Cedar Fair (NYSE: FUN). Operating hours get shorter and turnstiles click slower in late August as folks start heading back to school. The parks may stay open on weekends through Halloween-themed events in October, but even the few operators that stay open year-round lean on meaty summertime crowds to drive their businesses. Continue reading