It may be wishful thinking, but it’s just possible that Vladimir Putin has done us a great favour. He has alerted us to the true threat of cyberwarfare in a way that — again, just possibly — might prompt us to view it as a serious national danger and begin to take effective countermeasures. Of course, Americans are aware …

  Almost 12 months after they were forced to buy up stocks to put a floor under the market, China’s brokerages are in a bad place again. The anticipated trading rush after a link between the Hong Kong and Shenzhen stock exchanges opened Dec. 5 hasn’t eventuated and investors are punishing firms including Guotai Junan International Holdings Ltd. and Haitong …

  With a month to go before he assumes responsibility for the US military, President-elect Donald Trump is already demonstrating his aggravation over runaway costs. Recent tweets have targeted the high price of not just Air Force One, a relatively minor project, but also the new F-35 fighter, the largest defense contract in history. He’s also called for a lifetime …