Aehr Test Systems is trading at $54.25, up 10.35%, on November 6 as semiconductor stocks rebound after the previous session’s technology selloff. - Reuters reported the broader semiconductor index gained 4.2% as investors reassessed concerns that a Democratic-led Congress could tighten AI regulation and slow data-center construction. - No new company-specific announcement explaining the November 6 move was found. - First-quarter results and a raised outlook were announced November 2.