European Factors to Watch-Futures rise as Sept. U.S. rate rise seen less likely

(Adds futures prices, company news items) LONDON, Aug 27 (Reuters) - European equity futures rose on Thursday, buoyed by gains on Asian and U.S. markets after a leading U.S. central bank official said the prospect of a September rate hike seemed "less compelling" than before. Futures on the euro zone's blue-chip Euro STOXX 50 index and on Germany's DAX both climbed 1.7 percent. Futures on France's CAC rose 1.9 percent while Britain's FTSE 100 futures advanced 1.4 percent. Persis