• USD/JPY up 0.2% in Asia, recoups most of its Fri U.S. jobs related losses

• Opened near Fri 157.80 close, rising Middle East tensions drew dip buyers

• Yemen's Houthis attack Saudi refinery and the Red Sea port city of Mocha

• U.S. crude rises 1%, gradual USD rally to 158.305 ensues

• Japan fiscal concerns, gradual BOJ tightening limit JPY gains

• BOJ's debate on faster hikes bolsters September rate move odds-July summary

• Japan intervention seen aimed at slowing USD rise, not driving JPY higher

• Investors likely to keep testing Tokyo's intervention resolve

• Japanese holiday Tue; traders wary of intervention as trading volume thins

• Resistance 158.30, 158.55-60, support 157.65-70, 156.20-30
JPY:

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