In their classic book “This Time Is Different: Eight Hundred Years of Financial Folly,” Kenneth Rogoff and Carmen Reinhart ...

The U.S. dollar's long dominance as the world's currency is fraying as global investors warm to a "sell America" trading strategy.

The dollar is off to its worst start to a year in more than half a century. The United States’ currency has weakened more than 10 percent over the past six months when compared with a basket of ...