** Shares of engineering firm Weir Group WEIR.L down 4.6% at 2,746 p, top loser on London's FTSE 100 .FTSE
** WEIR expects forex headwinds to cost them about 105 million pounds ($140.92 million) in FY revenue and 25 million pounds in operating profit
** JP Morgan trims FY25 adj. operating profit forecast by ~1% and expects consensus to see ~2% trims, driven largely by FX
** "Given the very strong peer reporting and the strong share price performance in recent weeks, we would expect the shares to underperform this morning" - JP Morgan analysts
** Co's peers include Vesuvius VSVS.L, Smiths Group SMIN.L, Epiroc AB EPIRa.ST and Sandvik AB SAND.ST
** Up to Tuesday's close, stock had risen 31.87% this year
($1 = 0.7451 pounds)
(Reporting by Simone Lobo)
((Simone.Lobo@thomsonreuters.com, +919920570373))