BUZZ-WPP: bottom of FTSE 100 after trading update
** Advertising group WPP (Frankfurt: A1J2BZ - news) 's shares down 2.8 pct & top FTSE 100 faller in volume
** Lfl net sales growth cools slightly -- from 0.8% posted in Q1 to 0.7% in first 4 months of the year (Jan to April)
** Jefferies highlights this slight deterioration in 4-month organic net sales growth; says while one month is not a trend, these numbers are in focus given the concern around FMCG spending
** Jefferies also flags Western EU net sales +3.0% (Q1 +4.3%) showing softening in some markets such as Spain, The Netherlands, Ireland (Other OTC: IRLD - news) and Austria
** Co in March cut its 2017 sales forecast, citing an ultra competitive environment (rahul.b.thomsonreuters.com@reuters.net)