American Financial Group Inc has reached a definitive agreement to sell GAI Holding Bermuda and its subsidiaries, which comprise the legal entities that own its Lloyd’s of London insurer, Neon, to RiverStone Holdings Limited.When the transaction is done it will complete AFG’s exit from the Lloyd’s of London insurance market.Neon is a member of Great American Insurance Group, which runs the insurance operations of parent AFG. It opened an office in Bermuda in 2016. Neon was put into run-off