A woman walks past an electronic stock indicator of a securities firm in Tokyo, displaying Tokyoâs Nikkei 225 that lost 327.98 points or 1.58 percent to 20,392.77, Wednesday, Aug. 12, 2015. Asian stocks sank as China let its currency fall for a second day following a surprise devaluation that rattled global financial markets. (AP Photo/Ken Aragaki)
