A survey by the ZEW Institute and Credit Suisse Group showed on Wednesday that Switzerland's economic sentiment index climbed to 11.5 in April from 2.5 in March. Analysts had expected the index to remain unchanged at 2.5.
"In regard to economic expectations as well as the current economic situation in Switzerland, the large majority of respondents do not expect to see any changes," the ZEW said.
The current conditions rose to -0.1 in April from -2.7 in March.