Will the Swiss Franc stay?

Background: I am investing in fonds just for private purposes. All my fonds are in euros even those i have in Switzerland.

May it be more interesting ,on a long term, to put some money in CHF as well? Anybody got an idea or presumption wether the CHF is going to become strong again or if the opposite is more likely to happen..? And if it stays weak will Switzerland give it up on a long term?

There s probably not the one and only answer but it would be interesting what
people that work in finance think about it....

thanxs...