North Korean leader Kim Jong Un claimed in his New Year’s message that the development of banned intercontinental long-range missiles is in ‘final stages’. US president-elect tweeted the following day: it won’t happen. Kim also vowed to further enhance his country’s military capability unless the US ends war games with rival South Korea. Trump is confident that Pyongyang will …

  This is the year that active-investment management makes its return to form. It is the year, or so we are told, when active fights back, scores some points, and gets its revenge on passive indexers. For the record, active management never went away. The claim that it has returned, after a run of fairly horrific performance, is likely little …

  When the temperature drops to freezing in a country of almost 1.4 billion people, the power needed to keep the population warm soars. That’s one of the main reasons China’s northern cities have spent much of the past month choking on smoggy, toxic air. Particulate concentrations in areas north of Shanghai that once qualified for state heating subsidies and …