BUZZ-Huntsworth: top UK small cap faller as H1 results disappoint
** PR and communications firm Huntsworth (LSE: HNT.L - news) hits 4.5-mth lows after posting H1 results
** PBT of £5.3 mln (H1 2014: £7.7 mln)
** Grayling revenues fell 8.8% LfL to £31.7 mln, delivering margins of 2.3%; margins expected to strengthen by year-end & into 2016 once unit's restructuring complete, co says
** Stock down 13%, biggest loser by far among UK small caps in volume more than its 90-day daily avg after first hour's trade (RM (LSE: RM.L - news) : tricia.wright1.thomsonreuters.com@reuters.net)