Six Flags shares plunge after-hours following report of deadly roller coaster incident

Shares of Six Flags Entertainment plunged more than 10% in after-hours trading Monday following reports of a deadly roller coaster incident at one of its amusement parks in Georgia, marking a sharp reversal from gains during the regular session. The stock had closed 4.5% higher during regular trading before the after-hours sell-off. One person died and several others were injured in an incident involving the park's 200-foot-tall Goliath roller coaster at Six Flags Over Georgia in Cobb County shortly before 4 p.m. Monday, according to the report , citing local police. Police did not provide additional details about the incident, the report showed.