** Shares of auto parts supplier LKQ LKQ.O plunge 10.5% to$37.69 after missing Q1 revenue estimates

** Stock on track for biggest one-day percentage fall in nearly nine months

** Co posts Q1 revenue of $3.46 bln, down 6.5% from a year ago; also misses Wall Street estimate of $3.56 bln

** Q1 adj. EPS of 79 cents, however, higher than expected 78 cents - data compiled by LSEG

** Co leaves outlook unchanged even as tariff uncertainty muddies trade outlook for most companies

** Seven analysts rate co "buy" or higher and 2 "hold"; median PT is $52.86 - LSEG

** Including session's moves, LKQ up 2.6% YTD

(Reporting by Twesha Dikshit in Bengaluru)

((Twesha.Dikshit@thomsonreuters.com))