The company said its fiscal fourth quarter will come in better than expected.Aehr Test Systems (AEHR 26.50%) has had a difficult 2024 but is feeling positive about the coming quarters. Shares of Aehr traded up 30% as of 10 a.m. ET after the company said it expects fiscal 2024 revenue and net income to exceed previous guidance.Good news after a bad quarterAehr makes semiconductor testing equipment for several industries and applications. Its tools are a must-have for makers of chips destined for high-stress ...