The U.S dollar climbed to a 20-year high against other major currencies on Monday after Federal Reserve Chair Jerome Powell signaled interest rates would be kept higher for longer to bring down soaring inflation. The dollar index, which measures the currency’s value against a basket of peers, scaled a fresh two-decade peak of 109.48. That left its European peers in the doldrums even as hawkish European Central Bank comments boosted expectations for a supersized September rate hike. The euro was down a quarter of a percent in early European trade at $0.99415 , within sight of recent 20-year lows, while Britain’s pound sank to a 2-1/2 year low . London markets were closed for a public holiday. Powell told the Jackson Hole central banking conference in Wyoming on Friday […]