The yen rose to a post-World War II high against the dollar and rallied versus most of its other major counterparts as European sovereign debt concern before tomorrow’s summits spurred demand for a refuge.

Canada’s dollar fell 1.2 percent to C$1.0154 versus the U.S. currency after the Bank of Canada said the nation’s economy will grow more slowly than projected and removed a reference to withdrawing stimulus. The target lending rate was held at 1 percent, where it has been since September 2010.

New Zealand’s dollar declined 1.2 percent to 79.74 U.S. cents as the South Pacific nation’s consumer prices increased 0.4 percent in the third quarter after rising 1 percent in the prior three months. The data fueled speculation the Reserve Bank of New Zealand will signal a willingness to keep its benchmark interest rate at a record low.