EUVL.DE is trading at €6.81, up 3.37%, as technology sentiment firms, though the available context does not establish a specific fund-level catalyst. - September 28 oil prices and Treasury yields rose amid renewed U.S.–Iran tensions, weighing on stocks; AI-training concerns pressured semiconductor sentiment. - On September 29, U.S. futures were higher and chip shares rebounded, consistent with a photonics ETF recovery; no specific holding or news event was identified as the cause.