CS ETF on SMI: bought today

My order to buy ETFS Brent Oil (SIX:CSSMI) today at the open was executed at USD CHF 54.12

Buying CS ETF on SMI

The CS ETF on SMI (SIX:CSSMI) has fallen 16.6% since I bought it on 21 April 2011 and I consider the time right to buy some more today at the open.