The yen rebounded on Tuesday, rising from a nearly three-year low against the dollar hit the previous session, after an official from the Group of Seven said a statement by the group was meant to express "concern about excess moves" in the Japanese currency. Short-term volatility in the yen spiked in the options market following the G7 statement, rising to 13 percent as of the early afternoon session. If it stays at this level until the close, volatility would be the highest in 1-1/2 years. The yen late on Monday plunged after U.S. Treasury Undersecretary Lael Brainard said the United States supports Japan's ... (full story)