• USD/JPY steady in Asia as Japanese markets return from Golden Week holiday

• Traders remain on intervention watch after JPY again surged suddenly Wed

• Was the fourth sudden yen surge in the past week, leaving traders nervous

• Japan forex czar says IMF floating rate label does not limit currency action

• Many BOJ board members saw need to raise rates if Iran war prolongs-minutes

• U.S.-Iran peace hopes cap upside, fading Fed rate cut bets limit downside

• Resistance 156.55-60, 157.00-10, support 156.00-05, 155.50-60

• Wednesday range 155.00-157.93, Asia range 156.22-156.53
Japan has recently had some success with currency interventions:

(Krishna Kumar is a Reuters market analyst. The views expressed are his own.)