Global currencies whipsawed on Wednesday as initial fears Iran’s attack on U.S. forces in Iraq could lead to more violence in the Middle East gave way to a perception that a wider regional conflict was unlikely. The Japanese yen JPY jumped to three-month highs against the dollar after the attack before retreating, with the absence of immediate reports of casualties also steadying nerves. The Swiss franc CHF also gave up early gains, as did gold XAU to a lesser extent. Iran said it had fired missiles at U.S. targets in Iraq on Wednesday in retaliation for last week’s U.S. drone strike that killed Iranian commander ... (full story)