Germany AI Stocks Today (Dec 15, 2025): SAP, Infineon, Siemens Energy and TecDAX Movers in Focus as AI Valuation Jitters Return
Germany’s AI-linked stocks began the new week caught between two powerful cross-currents: renewed hopes for a year-end rally in European equities and a fresh wave of investor unease over the profitability of massive global spending on artificial intelligence. Early Monday, Frankfurt trading opened with a moderate gain in the DAX and a slightly softer TecDAX, while market commentary repeatedly returned to the same question: is the market paying too much, too early, for AI growth? MarketScreener Deutschland+1 Below is a detailed round-up of the key AI-stock narratives in Germany on 15.12.2025, including the most relevant market moves, company-specific catalysts, and