• The Swiss Franc gains after the ZEW survey shows Swiss investors are optimistic about the economic outlook. 
• The survey showed an increase in sentiment for the second month in a row. 
• USD/CHF hits a key upside target and rolls over – potentially initiating a pullback. 

The Swiss Franc (CHF) is trading higher in most key pairs on Wednesday, after the release of a Swiss investor survey showed upbeat responses regarding the outlook for the Swiss economy for the second month in a row.