Long Nikkei, short yen continues to unwind with investors in 2013's most popular trade all hitting the exit at the same time. The yen's up another 1.6%, with dollar/yen at ¥95.47 and erasing more than 2 months worth of gains in the last few sessions. FXY +1.3% premarket. The Nikkei tumbled another 1.8% overnight and has also erased 2 months worth of gains. DXJ -2.3% premarket. Earlier: Japan's government pension fund confirms it's cutting JGB exposure and increasing equity holdings.