** Machine vision product maker Cognex's CGNX.O shares rise 13.9% to $70.94 premarket after upbeat Q2 forecast, Q1 results beat

** Co's Q1 rev of $268 mln and adj EPS of $0.34 both beat analyst expectations, driven by broad-based strength across major end markets

** CGNX forecast Q2 rev between $280 mln and $300 mln, with the midpoint above the consensus estimate of $270.3 mln, per LSEG data

** As of last close, CGNX stock up 73% YTD