** Regus up c.7.9 pct, top FTSE-250 gainer & heading towards strongest intraday gain in over 6 mnths asoffice space provider posts better-than-expected results & co'sROI increases
** Posts H1 revs 937 mln stg & underlying oper profit 65 mlnstg, beating co-compiled analyst consensus of 925.3 mln stg &62.5 mln stg respectively
** Tenth straight half of rev rise
** Investec analyst increases FY17E PBT by 6.9 pct to 216.6mln stg and EPS to 18.5p from 17.3p, citing wider scope for operefficiency improvements
** Co sees visibility of 2015 net investments c.230 mln stg,or about 600 new locations
** Stock up 19.5 pct YTD (RM: esha.vaish.thomsonreuters.com@reuters.net)