European banking stocks plunge

European banks Banco Bilbao Vizcaya Argentaria (NYSE: BBVA) tumbled $1.25 to close at $5.38, Banco Santander (NYSE: SAN) dropped 97 cents to close at $3.83, Credit Suisse Group (NYSE: CS) plunged $2.21 to close at $11.51, and Deutsche Bank (NYSE: DB) plummeted $3.12 to close at $14.72 in reaction to the Brexit vote.