KOSS is trading 6.07% up in pre-market at $3.32 versus the November 3 close, with no company-specific announcement found for November 4. - Koss’s latest reported results, released October 29, showed lower sales and a quarterly net loss. - Consumer discretionary strength may be a tailwind; XLY was up 2.41% pre-market, but no direct cause for KOSS’s gain was established. - Premarket volume information was unavailable in the supplied price context and reviewed sources.