** Shares of Nanotechnology tools maker Oxford Instruments OXIG.L fall as much as 7% to 1,768p
** Stock among top losers on FTSE mid cap index .FTMC, which is up 0.39%
** Co delays publication of its preliminary results for fiscal 2025, previously scheduled for June 10 as auditors request more time
** OXIG also signs deal to sell its quantum-focused business, NanoScience, to Quantum Design, International for 60 million pounds ($80.78 million)
** About 4 million pounds of cost currently allocated to NanoScience will remain within co post deal close; co expects to begin to mitigate this fiscal 2027
** Co plans to return up to 50 million pounds to shareholders via a share buyback, commencing shortly
** As of Monday's close, stock had fallen 11.6% so far in 2025
($1 = 0.7428 pounds)
(Reporting by Raechel Thankam Job)
((RaechelThankam.Job@thomsonreuters.com))