Foreign exchange market. American session: the Canadian dollar traded slightly higher against the U.S. dollar despite the weaker-than-expected foreign investment figures from Canada

The U.S. dollar traded mixed against the most major currencies.

U.S. markets are closed for Martin Luther King holiday.

The euro traded higher against the U.S. dollar on speculation that the European Central Bank will announce the bond-buying programme on Thursday.

Eurozone's adjusted current account surplus fell to €18.1 billion in November from €19.5 billion in October. October's figure was revised down from a surplus of €20.5 billion. Analysts had expected a surplus of €21.3 billion.

The British pound traded higher against the U.S. dollar in the absence of any major economic reports from the U.K.

The Canadian dollar traded slightly higher against the U.S. dollar despite the weaker-than-expected foreign investment figures from Canada. Foreign securities purchases in Canada rose by C$4.29 billion in November, missing expectations for a gain by C$7.23 billion, after a rise by C$9.53 billion in October.

The Swiss franc traded lower against the U.S. dollar. Switzerland's producer and import prices declined 0.4% in December, beating forecasts of a 0.6% rise, after a 0.7% fall in November.

On a yearly basis, producer and import prices decreased 2.1% in December, missing expectation for a 1.5% decline, after a 1.6% drop in November.

The Swiss Franc plunged against the greenback last Thursday as the Swiss National Bank announced today that it will discontinue the 1.20 per euro exchange rate floor. But the SNB added that will remain active in the foreign exchange market.

The New Zealand dollar traded lower against the U.S. dollar in the absence of any major economic reports from New Zealand. In the overnight trading session, the kiwi traded higher against the greenback.

The Australian dollar traded higher against the U.S. dollar. In the overnight trading session, the Aussie traded lower against the greenback despite solid new motor vehicle sales data for Australia. Australia's new motor vehicle sales rose 3.0% in December, after a 0.5% drop in November. November's figure was revised up from a 0.6% decline.

The Japanese yen traded lower against the U.S. dollar. In the overnight trading session, the yen traded higher against the greenback due to risk aversion and solid economic data from Japan. Japan's final industrial production declined 0.5% in November, up from the 0.6% drop estimated earlier.

Japan's consumer confidence index increased to 38.8 in December from 37.7 in November, beating expectations for a rise to 38.6.