Since the Fed left rates unchanged last week, markets had increasingly grown confident that the peak in U.S. rates was in sight. But up stepped Powell to squash any hopes of an impending rate cut. "[The Fed] is committed to achieving a stance of monetary policy that is sufficiently restrictive to bring inflation down to 2% over time," Powell said. That led stocks lower, with MSCI's broadest index of Asia-Pacific shares outside Japan (.MIAPJ0000PUS) skidding 1% to their lowest in a week. The rise in yields boosted the dollar, which is headed for its best week against the yen in three months.

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Persons: Jerome Powell, Kevin Lamarque, Ankur Banerjee, Powell, Christine Lagarde, Walt Disney, policymaker Joachim Nagel, SNB's Thomas Moser, Edmund Klamann Organizations: Monetary Fund's, REUTERS, Ankur, European bourses, Treasury, Industrial, Commercial Bank of China's, U.S . Treasury, Reuters, Thomson Locations: Washington , U.S, Asia, Pacific, Japan, European, U.S, Commercial Bank of China's U.S, Norway, Sweden