Core Viewpoint - Onto Innovation Inc. reported better-than-expected first-quarter financial results but issued second-quarter guidance below analyst estimates [1][2]. Financial Performance - Quarterly earnings were 1.51pershare,exceedingtheanalystconsensusestimateof1.47 per share [1]. - Quarterly sales reached 267.00million,surpassingtheanalystconsensusestimateof266.30 million [1]. Future Guidance - The company expects second-quarter adjusted earnings to be between 1.21and1.35 per share, compared to analysts' estimates of 1.50pershare[2].−Salesguidanceforthesecondquarterisprojectedtobebetween240.00 million and 260.00million,whileanalystsexpected269.10 million [2]. Market Reaction - Following the earnings announcement, Onto Innovation shares fell by 29.1%, trading at 89.90[3].AnalystRatings−NeedhamanalystCharlesShimaintainedaBuyratingbutloweredthepricetargetfrom230 to 150[5].−BenchmarkanalystMarkMilleralsomaintainedaBuyrating,reducingthepricetargetfrom230 to $190 [5].