Bank of Japan makes surprise policy tweak

The Bank of Japan has slightly loosened the shackles on its 10-year yield target and said it will review the operation of its yield-curve control policy, surprising financial markets and sending the yen sharply higher.
Dollar rises as China COVID worries spur safe-haven buying

The U.S. dollar was firmly higher against major currencies on Monday, as rising COVID-19 cases in China led to new restrictions there and weighed on global investor sentiment.
Japan ramps up intervention threats after yen slides past key 150 level

Japanese policymakers made fresh threats of intervention on Thursday after the yen tumbled past the key psychological level of 150 to the dollar, keeping investors on high alert in case Tokyo steps into markets again to support the fragile currency.