UK's Auction Technology jumps on rejecting 11 buyout proposals from top investor
** Auction Technology ATG.L jumps 17.2% to 319.75p; top performer across London stocks ** Investment holding co rejects 11 buyout proposals from top shareholder FitzWalter Capital ** London-based investment firm FitzWalter's latest proposal of 360p/share in cash values co at ~436 mln pounds ($585.4 mln) ** ATG fell ~49.6% in 2025 (Reporting by Ankita Bora in Bengaluru) ((Ankita.Bora@thomsonreuters.com))