The last thing President Trump now needs is for the stock market to go south on him. After all, he’s got worries aplenty: abroad, North Korea, Syria, Russia and Brexit; at home, the stalled effort to repeal Obamacare; and uncertainty surrounding “tax reform.” Compared with this tapestry of troubles, the stock market has been a splendid blessing. It’s called …

  Activist investors, Japan’s the next place to go. Yes, you heard right. In the past two weeks, Hong Kong-based Oasis Management Co. has managed to score victories against two of the country’s oldest and biggest companies. The hedge fund got Panasonic Corp. to up its offer for a unit the electronics maker is seeking to take private, while also …

  The euro-zone economy is looking a lot healthier. After years of stagnation, growth has finally picked up and unemployment is falling. Fears of a paralyzing bout of deflation have receded as well. Yet there’s a risk of relapse — and Europe’s banking ‘doom loop’ is the reason. Close links between government finances and the banking system were a main …