"Bitcoin, Ethereum & Co. will never become widely accepted currencies," warns Maximilian Kunkel, chief investment strategist in the UBS Chief Investment Office for Germany: "Leave it alone."

Stock markets. The world economy is booming. Corporate profits are bubbling up. Interest rates are low. And the stock markets are celebrating records. Investors currently obviously live in the best of all worlds. Can it stay that way? Or are there hidden dangers? Experience shows that when superlatives are the order of the day, it is high time to talk about the risks.

Risk management. We live in the best of all worlds. Growth and, at the same time, ultra-low interest rates are causing prices to rise. But this also increases the risks. "It's like football - we have to be sure at the back to take advantage of the opportunities," smiles Armin Eiche, CEO Wealth Management Germany at private bank Pictet. It shows how investors keep risk under control.

Stock market barometer. Six years ago, Professor Rudi Zagst of the Technical University of Munich (left) developed a scientific model that measures the probability of stock market turbulence. Together with the evil professional Oliver Schlick, he is now working on transferring the information into an investment model. Science meets financial experience - the two of them could not have chosen a better moment for it.

Investment idea. If Europe wants to reach seine Klimaziele, it must reform the market for CO2 emission certificates. First steps have been taken. If the prices for these pollution rights rise in the future, financial investors will also benefit.