As she builds her new coalition government, German Chancellor Angela Merkel will be mindful of the need to counter nationalism at home and the imperative of finding a consensus on integration in the euro zone. But the election also exposed a demographic rift that could present an even bigger challenge to Germany’s leaders: between a graying population that backed the …

Picking stocks is famously difficult. But just how difficult is one of the oldest arguments in finance. New York Times columnist Jeff Sommer reopened the debate last week with a piece describing a recent study by an Arizona State University business professor, Hendrik Bessembinder. Bessembinder looked at the performance of publicly traded stocks in the US from 1926 to 2016 …

A few months ago, no one would have noticed British opposition leader Jeremy Corbyn’s address at the annual conference of his Labour Party. But that was before he engineered its biggest increase in vote share since World War II after Theresa May gambled on a snap election and lost her majority. The election, Corbyn told the Labour faithful, “has put …