• Yen weakness persists despite intervention worries and the narrowing US-Japan rate gap

• USD/JPY rose to a new multi-decade high of 163.99, on Thursday

• Fin Min Katayama: Japan ready to take decisive action on forex

• US warns against excessive yen volatility, calls for BOJ rate hikes

• There are good offers ahead of 164.00, some likely option barrier defence

• Stops above 164.00 are large, however, speculators are eyeing massive barriers at 165.00

• USD/JPY has seen a 163.73-95, on Friday, according to EBS data

Daily Chart


(Martin Miller is a Reuters market analyst. The views expressed are his own)