** Regus up at levels last seen March 2001 in decentvolume on press reports it is in the M&A crosshairs
** Daily Mail market report says founder & chief exec MarkDixon recently rejected £3 bln bid approach from a major privateequity player, rumoured to be Blackstone; apparently left dooropen should predator return with a cash offer of c£4 bln
** Stock, up 3.4% tops pan-European Stoxx 600 & at2nd spot on FTSE 250, in volume a third of 90-day dailyavg after >30 minutes (RM: tricia.wright1.thomsonreuters.com@reuters.net)