Aytu BioScience is trading 5.41% higher at $2.32 in pre-market on September 30, 2026, after moving from the September 29 close of $2.20; no specific overnight catalyst was identified. - The company’s latest results were reported on September 22, and its investor-conference discussion on September 29; neither was new September 30 news. - Broader indices are modestly higher, but do not establish a market-wide explanation for the stock’s move.