USD/JPY has sold-off to 100.65 at writing. The move comes with aforementioned Japanese exporter sell orders up at 101.40/50 having capped the top-side, and with stocks having headed lower as the market seemingly has a slight reassessment of the recent improvement in risk sentiment.

Dealers noted very heavy selling from a particular lower Manhattan-based US investment bank beginning a the 101.00 level and extending into the 100.60s.

Technical supports now lie down at 100.50 and then 100.20/25.