A higher standard deviation would signal a greater currency risk.

"That means they're selling more dollars to reduce their currency risk."

Some, as you can see, are European, so there is currency risk, too.

Picking the right countries might also shield against currency risk.

But there is still currency risk, particularly in those places with no stock market.

The other dimension to investing in Japan is currency risk.

Whenever you buy a foreign stock in any form, there is a currency risk involved.

The activity concentrated on interest rates and foreign currency risks.

Now it is borrowers who have been left to bear all the currency risk.

"We tend to keep a home bias to protect against currency risk," he said.