Order at 104.00 was struck, so now long USD2m short JPY at an average of 104.83.
With the rate at 106.15 right now, looking good.
Euro position has lurched into profit as well overnight.
USD is strong, because they are in a mess, but it is known.
Everywhere else is also in a mess, but the scale is unknown.
And the US has a rep for sorting stuff quickly. Europe and Asia (not so much the UK) have reps for hiding and covering bad news.