['DATE | 21-month', 'DATE | Friday', 'DATE | the_pre-holiday', 'ORG | Vail_Resorts_Inc._MTN', 'PERCENT | +0.35%', 'PERCENT | 9.2%', 'stockChange | tumbled']
Shares of Vail Resorts Inc. MTN, +0.35% tumbled 9.2% toward a 21-month low in premarket trade Friday, after the ski resort operator said destination guest visitation was "much lower" than anticipated in the pre-holiday period.