The euro hit new two-year lows against the dollar before recovering its poise, as Spanish government borrowing costs continued to climb and worries that Greece could exit the euro zone resurfaced.
The future of the euro zone remained uppermost on currency traders' minds as benchmark Spanish bonds and European stock markets fell sharply, while experts from the so-called troika of international lenders—the European Commission, the European Central Bank and the International Monetary Fund—were due to visit Greece Tuesday to review the country's reform program.