The value of emerging market currencies keeps tumbling. Argentina’s peso has lost half its value against the dollar this year. Same with the lira in Turkey. Investors are souring on Brazil. India. South Africa. Mexico. Indonesia. Some of these countries have been through currency and financial crises before. And each case is different. But sometimes […]

The Turkish lira has been on a wild slide recently. It dropped 5 percent against the dollar Wednesday, its biggest loss in nearly a decade, before the country’s Central Bank stepped in with an emergency meeting that reversed some of those losses. The bank finally did something it’d been resisting. Something its president had been […]