'Weapons of Mass Destruction' are creating havoc in financial markets

The solution may be the problem. That's Wall Street's emerging consensus on negative interest rates, which have been implemented around the world in a bid to catalyze economic growth. In all, 489 million people are living in countries with official policies of negative interest rates, according to Bank of America Merrill Lynch strategist Michael Hartnett. Federal Reserve Chair Janet Yellen fielded numerous questions on the topic from lawmakers last week. Sweden's Riksbank cut rates to -0.5% on T...