 WPP PLC LSE:WPP, the advertising and marketing conglomerate, will release its third-quarter results on Wednesday, hoping to have kept up recent momentum that saw first half revenue increase by more than 10. It said at its August interims that adjusted sales are expected to rise 6 to 7 this year, compared to end-April growth guidance of 5.5 to 6.5, with annual revenue less pass-through costs growth of 3-4 and headline operating profit margin of 15.5-16. 