• USD/JPY extended Mondays 141.52-142.59 gains to 143.43 Tuesday

• Boost from Japanese importers and RM JPY/cross demand in thin markets?

• Setback to 142.85 since and USD/JPY now settles just above 143.00

• Heavy U.S. yields see traders reluctant to chase USD/JPY higher

• There's a clear preference to buy dips to Fri/Mon lows by 141.50

• Huge $4-billion 142.75-143.00 FX option strike expire 10-am New York Wed

• Related hedging flows may help contain USD/JPY near the strikes pre expiry

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