** Shares of British product testing firm Intertek ITRK.L fall 7.6% to 4691p, top loser across all London stocks
** ITRK rejects a sweetened 8.93 billion pound ($12.13 billion) takeover proposal, at 58 pounds per share, from Swedish private equity firm EQT AB EQTAB.ST, saying it undervalued the firm
** ITRK continues with its strategic review and said it received encouraging level of interest from potential buyers for its energy & infrastructure division
** Targets completion of strategic review by mid-2027
** Including session's moves, stock up about 9% YTD
($1 = 0.7362 pounds)
(Reporting by Megha Anilkumar Nair)
((MeghaAnilkumar.Nair@thomsonreuters.com;))