Bank shares slide as Brexit turmoil hits world stocks

By Nigel Stephenson LONDON (Reuters) - European bank shares and sterling were on track for their biggest two-day slides on record on Monday as the fallout of Britain's shock vote to quit the European Union sowed turmoil in global financial markets for a second day. U.S. index futures were down 0.7 percent, indicating Wall Street would follow European markets down. Investors sought safe havens such as the yen, gold and low-risk government debt.