** Shares of automotive services company Monro MNRO.O climb 18% to $18.06 premarket, after activist investor Carl Icahn reveals stake
** Stock on track to claw back some losses after last week's slide, when Q2 revenue miss triggered its sharpest intraday drop in nearly three months
** Carl Icahn's eponymous investment firm IEP.O discloses 14.79% stake in co, worth $67.8 mln based on MNRO's last close
** Icahn, veteran corporate raider, has history of pushing for change at companies he invests in
** MNRO has lost 38% YTD, as of last close
(Reporting by Niket Nishant in Bengaluru)
((Niket.Nishant@thomsonreuters.com))