"Engineering group IMI surged 39½ to 429½p after posting robust annual profits despite being hit by an investigation into "irregular payments" at its US subsidiary Severe Service division. It was also boosted by hopes that it might become a takeover target after rival FKI received an 85p-a-share bid proposal from Melrose."
http://www.telegraph.co.uk/money/main.jhtml?xml=/money/2008/03/06/cxmktrep106.xml