BUZZ-TUI: Top FTSE 100 gainer on profit outlook

** World's largest leisure tourism group TUI (LSE: TUI.L - news) up as much as 9 pct, tops London's blue chip companies list, after it points to annual profits at the upper end of a targeted range

** Co says robust demand for summer holidays offset the impact of the Tunisian beach gun attack which killed 38 mainly British holidaymakers, many of whom were on TUI holidays

** Co sees FY EBITA between 12.5 and 15 pct higher, against a previous forecast for between 10 and 15 percent

** Co says cancellation of trips to Tunisia resulted in costs of around 10 mln euros ($11.1 mln) in Q3

** Rival Thomas Cook guided to 25 mln stg profit reduction from events in both Tunisia and Greece

** Stock at highest level since the June 26 attack in Tunisia

** Top performer on the FTSE 100 Index and the FTSE All Share Travel & Leisure Index (Reuters Messaging: noor.hussain.thomsonreuters.com@reuters.net)