** Shares of construction company Morgan Sindall MGNS.L climbs 14.5% to a record-high of 4,390p
** Stock is the top gainer on FTSE mid-cap index .FTMC; set to record its best day since October 2024
** Co expects FY25 profit before tax to be significantly ahead of previous expectations
** Says its unit Fit Out's strong trading activity from beginning of the year has continued, sending annual profit expectations for the unit above prior estimates
** Expects construction segment's FY25 operating margin to be in the middle of its 3.0%-3.5% medium term target range, with revenues set to exceed prior expectations
** MGNS rose ~13% YTD, including session gains
(Reporting by Nithyashree R B in Bengaluru)
((NithyashreeRB@thomsonreuters.com))