Currency markets were choppy on Tuesday as the dollar hit a 10-week high against peers and a six-month top versus the yen before Japanese officials gave their currency a nudge, as investors kept a wary eye on global policy makers. Japan will closely watch currency market moves and respond “appropriately” as needed, the country’s top currency diplomat said on Tuesday after financial authorities met in response to a weakening in the yen to its softest in six months versus the dollar. The yen strengthened on news of the meeting, and held onto those gains, with the dollar last down 0.2% at 140.16 yen having earlier risen ... (full story)