** Shares of semiconductor equipment maker Aehr Systems AEHR.O surge 30.5% to $93.94 premarket

** Co swings to adjusted profit of 11 cents per share in Q4 from loss of 1 cent per share a year ago

** Posts higher Q4 sales of $18.84 mln from $14.09 mln in year-ago period

** Expects FY27 revenue between $130 mln and $150 mln, a 160% to 200% growth YoY

** Demand for co's wafer and package-level burn-in solutions growing across AI processors, silicon photonics and power semiconductors, says CEO Gayn Erickson

** Three analysts covering stock rate it "buy" or higher and one "hold"; their median PT is $68 - LSEG-compiled data

** As of last close, stock has more than tripled so far in 2026