** Catlin rises 4 pct in heavy volumes to freshall-time highs, with three traders citing reports of bidspeculation around the insurer
** Shares ended Tuesday stronger, rising 7 pct in last twotrading days, though one bulge-bracket sales desk says reports"dubious" due to lack of bidder/ price
** Stock has risen 26.8 pct since August in a falling market
Chart: http://link.reuters.com/tet63w
** FT says firm could also pay special dividend in 2015(Link: http://on.ft.com/1J1g23c)
(RM: alasdair.pal.thomsonreuters.com@reuters.net)