** Advertising co WPP fares better than broadermarket after in-line H1
** Reports 2.3% rise in H1 LfL net sales, in line withforecasts & 3.7% jump in July, which it says indicates likelystronger Q3
** Co seeing good results from "tsunami" of media contractsthat were up for review
** Most actively traded UK blue-chip stock, flits in & outof positive territory but outperforms a firmly lower FTSE 100
** FTSE down 1.3%, only two risers on index
(RM: tricia.wright1.thomsonreuters.com@reuters.net)