The Swiss Federal Customs Administration released its trade data on Thursday. The Swiss trade surplus widened to CHF3.51 billion in January from CHF2.59 billion in the previous month. December's figure was revised up from a surplus of CHF2.54 billion.
Exports dropped 3.9% year-on-year in January, while imports were down 5.0%.
On a monthly basis, exports slid 1.1% in January, while imports increased 2.5%.