Stay calm and don't act rashly based on fear or panic. In times of uncertainty, it is important to stick to your investment strategy with discipline. Ups and downs are part of the stock market. In a long-term comparison, investments pay off.
Price corrections are an opportunity to get on board. That is why you should continue investing in uncertain times with regular deposits (from 1000 francs upwards). If you leave your money in a savings account, it will keep on depreciating in value due to inflation.
In "Investing in times of uncertainty", you can read what Zurich experts are recommending now.