Overnight FTSE announced the results of its quarterly review of the constituents for its UK index series. IMI and Petrofac are to leave the top flight index, with Barratt Developments and Taylor Wimpey set to take their place.Meanwhile, and on the FTSE 250, Barratt Developments, Taylor Wimpey, Fenner, Foxtons Group, Spirent Communications, Ferrexpo, Enquest and Hochschild Mining will be excluded.In their place will come IMI, Petrofac, Spirit Pub Company, Jimmy Choo, Allied Minds, CLS Holdings, Greggs, Game Digital.The changes will be applied after the close of business on 19 December 2014 and become effective on 22 December.