** British engineering firm Renishaw RSW.L jumps as much as 12.9% to 2,580p; top gainer on FTSE mid-cap index .FTMC, which is up 0.5%
** Stock set for biggest one-day pct gain since February 2024
** Co will shut down loss-making drug delivery operations, introduce surcharge to pass on additional costs brought on by U.S. tariffs
** Jefferies says, "There has been a proactive portfolio management decision to close the loss-making drug delivery part of its Neurological business, and pursue sale of rest of the Neurological"
** However, co narrows FY25 sales, profit outlook
** YTD, RSW falls 24.1%
(Reporting by DhanushVignesh Babu in Bengaluru)
((DhanushVignesh.Babu@thomsonreuters.com;))