The International Monetary Fund said Tuesday that there was no panic in emerging markets even as countries like India, Turkey and Argentina were facing sharp capital outflows and currency pressures.
US authorities Monday filed criminal charges against two operators of a Bitcoin exchange, including the head of a company with high-profile investment backers.
Venezuela said Wednesday it would allow only importers of high priority goods like food to buy dollars at the official rate, forcing others to pay nearly twice that.
US basketball outfit the Sacramento Kings said Thursday they would begin accepting Bitcoin, the first professional sports team to accept the virtual currency.
Chinese speculators have seen Bitcoin values plunge, soar and plunge again within days, but say the virtual currency's extreme volatility is a profit opportunity despite the white-knuckle ride.
Japan and Southeast Asian countries are in talks over expanding currency swap arrangements to help cushion their economies in financial emergencies, an official said Thursday, ahead of a Japan-ASEAN summit next week.
European Commission Vice President Antonio Tajani said Wednesday the euro was overvalued and urged the zone's central bank to help exporters by weakening the single currency.
With deals from London to Singapore, China is seeking a greater role for its yuan currency in global markets to challenge the hegemony of the almighty dollar.