Seoul stated on Sunday that South Korea's Minister of Economy and Finance, Choi Sang-mok, and U.S. Treasury Secretary Janet Yellen concurred that excessive fluctuations in the value of the Korean won are undesirable, and both sides will continue consultations on foreign exchange market issues. The two ministers held a meeting on Friday in Washington, D.C., during the gathering of G20 finance ministers and central bank governors. Secretary Yellen also welcomed South Korea's efforts to implement the promised $350 billion investment in the United States as part of a bilateral trade agreement.