LONDON—The euro sank again Tuesday in reaction to Greece's surprise announcement of a referendum on a deal to address the country's, and the euro zone's, debt crisis.
In European trade, the common currency fell to as low as $1.3671 and £0.8565 as risky bets were taken off the table. At the same time, bank stocks led European markets sharply lower and the price of haven German bunds soared.
