Economic sentiment in Switzerland decreased for the first time a five-month period in March after it was improving since October 2012 and reached 10 points in February, the Credit Suisse and the Centre for European Economic Research (ZEW) reported on Wednesday. The ZEW index dropped to 2.3 points in March, while the index of current economic situation in Switzerland fell by 2.4% on a monthly basis to 15.6 points in March.