Banco Santander is trading at €10.73, up 4.87% on November 5, 2026, amid a strong European market session. - Spain’s IBEX 35 gained 3.00%, while the Stoxx Europe 600 banks index rose 4.32%. - Market coverage linked the rally to reactions following the U.S. election and shifting geopolitical-risk perceptions; no reliable report directly linked the rise to a new Santander announcement.