BUZZ-Diploma: best day in 4.5 yrs on strong FY
** Maker of industrial wiring systems and components Diploma up as much as 11.5 pct, biggest one-day rise in more than four and a half years
** FY rev jumps 9 pct, boosted by acquisitions and co says prospects for future acquisitions promising
** c51 pct of avg daily vol traded through in first hour of trading
** Up to Friday's close, stock has fallen 14.25 pct YTD (Reuters Messaging: muvija.m.thomsonreuters.com@reuters.net)