Banco Santander is trading 4.06% down now at €11.48 amid pressure on European banks and a risk-off global session. - Sentiment was weighed by concerns about AI spending, Middle East tensions and elevated oil prices; major US indices also declined on October 22. - Jefferies’ recent downgrade to Hold may have added caution, but reporting does not establish it as the direct cause of the October 22 decline. - No clear new company-specific announcement explaining the move was identified.