Why The Swiss Franc ETF is on Fire

Rydex CurrencyShares Swiss Franc Trust (NYSEarca: FXF) is on an uptrend, as the Swiss franc has been outperforming the euro and the U.S. dollar. The franc related exchange traded fund (ETF) is up over 4% for the past week. So why is the Swiss franc on fire? According to Rydex, there is a flight to...