European shares rise as U.S.-Iran mediation cools oil, tech stocks add 0.9%

U.S.-Iran mediation efforts eased immediate geopolitical risk premia, pulling Brent crude back from one-month highs and supporting a modest risk-on tone in European equities. European tech led gains as lower oil pressure improved broader sentiment, helping semiconductor equipment names. However, the Houthis' blockade affecting Saudi-linked flows keeps residual supply risk elevated, limiting the durability of the oil pullback and leaving markets sensitive to further headlines.