Quarterly results exceeded analysts' estimates.Yesterday after market close, Aehr Test Systems (AEHR 23.52%) reported fiscal fourth-quarter financials, easily surpassing analysts' expectations and forecasting improving market conditions up ahead.Investors took note, sending Aehr shares up 22% as of noon ET.Better-than-expected resultsAehr makes semiconductor testing equipment helpful for chips designed for high-stress environments like electric vehicles (EVs). The stock was a big winner in 2023 as excitemen ...