European shares tumble as trade, geopolitical tensions mount

European shares fell for a fourth session as trade optimism faded and geopolitical risks rose.

STOXX 600 dropped 0.4%, with travel and mining stocks under pressure.

Doubts loom over EU's ability to strike a deal before U.S. tariff pause ends.

BESI surged 7.7%, Tesco rose 1.3% on strong sales performance.