Frankfurt's DAX 40 gained ground to close about 1.4% firmer at 24,737 on Wednesday, the highest since May 6, in line with other European peers. Renewed optimism over a possible agreement to end the war in Iran boosted market sentiment. US President Trump said that talks with Iran were close to a conclusion, which could restore energy flows through the Straight of Hormuz. In equities, Infineon Technologies was the top performer, rising 5%, on AI enthusiasm ahead of Nvidia's earnings release. Other notable gainers included Deutsche Bank (4.3%), MTU Aero Engines (4.1%) and Siemens Energy (3.9%).