Dollar Rallies Most Since May as War Spurs a Rush Into Havens

The dollar rallied by the most in more than nine months after the US attack on Iran set off a rush into safe havens and pushed up Treasury yields as a surge in oil prices threatens to worsen inflation. Bloomberg’s dollar index rose as much as 1%, biggest one-day jump since May, as the currency gained against all of its major peers. The Swiss franc and Japanese yen, both net energy importers, lost more than 1% against the US currency Monday, before paring the drop, as the US and Israeli military strikes pu ...