I would prefer to stay out of politics,” Elon Musk told his followers in 2021, on the platform then known as Twitter. Plenty has changed since then. The world’s richest man appears to have a new goal: upending Europe.

An ETF that can trade all day is investing in an asset that rarely changes hands. Figuring out what it’s worth is a guessing game.

A gesture associated with the Nazis has a surprising history. But in Germany, there was little doubt about its meaning.