BUZZ-Compass: worst day in 6 yrs after announcing restructuring
** Compass falls 4 pct after announcing restructuring
** To cost co £20-25 mln pa in 2015 and 2016, 2015 FY margins to be flat
** Worst day since July 2009
** Top faller on FTSE 100, at lows not seen since November 2014
** Stock has traded nearly its entire 30-day average volume in the first 2 hours from the open
(RM (LSE: RM.L - news) : alasdair.pal.thomsonreuters.com@reuters.net)