Brief: Spirit Airlines Announces NYSE American Listing Approval
April 24 (Reuters) - SPIRIT AIRLINES ANNOUNCES NYSE AMERICAN LISTING APPROVAL SPIRIT AIRLINES: TRADING IS EXPECTED TO BEGIN ON APRIL 29 SPIRIT AIRLINES INC: TO TRADE UNDER SYMBOL FLYY Source text: ID:nPn9L7SzHa ((Reuters.Briefs@thomsonreuters.com;))