The DAX 40 fell about 0.3% to below 26,100 on Monday, reversing gains in the prior session, pressured by technology stocks, while traders awaited details on new US sanctions on Iran. Attention also remained focused on Nvidia’s earnings and the Jackson Hole symposium later this week. Among key movers, Volkswagen (-1.7%), Siemens Energy (-1.2%) and SAP (-1%) posted the biggest losses.