As the world's fastest-growing big economy, with the biggest current-account surplus and foreign reserves, its currency ought by rights to be rising.

ECONOMIST: China's smile diplomacy shows its teeth

The trade surplus leads to large inflows of foreign currency, which is bought up by the central bank in order to hold down the exchange rate.

ECONOMIST: The economy just grows and grows

Today, the foreign exchange markets would like nothing more than another big surplus country whose currency they could buy.

BBC: Time to buy euros?

Adviser Carlton Delfeld of Chartwell Global ETF Report likes Switzerland for its strong currency backed by ample gold reserves, fiscal discipline, trade surplus and very little foreign debt.

FORBES: Magazine Article

Dollars are pouring in from China's trade surplus, as well as from foreign direct investment and from speculators betting that China's currency will appreciate.

NPR: Chinese Cash Moves Could Roil Markets