** Shares of mechanical engineering company Goodwin GDWN.L climb more than 14% to 8,540 pence, on track for their biggest one-day pct rise since March 2020
** Stock top percent gainer in FTSE mid-cap index .FTMC
** Says impact from U.S. tariffs on its operations have been minimal
** Posts FY trading pre-tax profit of 35.5 million pounds ($47.44 million) vs 24.1 million pounds year ago
** YTD, GDWN stock rose ~9%
($1 = 0.7484 pounds)
(Reporting by Unnamalai L in Bengaluru)
((Unnamalai.L@thomsonreuters.com;))