There are no taxes on the money you invest in Switzerland - not on capital gains, and not on interest. And more, as Switzerland does not consider tax evasion to be a crime, it does not comply with any requests for judicial cooperation from other governments. Of course tax fraud (falsified documents, sharp practice) is considered a crime in Switzerland as well. However you always should pay taxes to your country.
Trade what you see, not what you think.
Trade what you see, not what you think.