** Shares of Shoals Technologies SHLS.O climb 17.8% to $9.74 premarket
** The electrical infrastructure maker raises full year revenue guidance to $600 million-$640 million from prior range of $560 million-$600 million
** Reports Q1 revenue of $140.6 million; analysts on average expected $129.05 million, according to data compiled by LSEG
** Q1 adjusted EPS of 7 cents also tops estimates of 6 cents
** However, SHLS flags Q1 gross margin decline due to increased tariffs from a year ago, higher material costs, and additional right-of-use asset amortization from its new facility
** Of 19 analysts covering the stock, 13 rate it "buy" or higher and six have a "hold" rating; median price target is $9
** As of last close, stock down 2.7% YTD
(Reporting by Shashwat Chauhan in Bengaluru)
((Shashwat.Chauhan@thomsonreuters.com))