Nikkei 225Futures opened with 400 yen down

Just after opening, there looked to be upward rebound but the momentum was limitted.After the middle stage of afternoon session , there was a rapid rise and came back above 16000 level.But it didn't reach the yesterday's closing value.

Stock Indices
Nikkei225Average O. 16068.1 H. 16068.1 L.. 15830.28 C. 16012.83 CHG. -274.66
TOPIX O. 1562.82 H. 1562.82 L.. 1537.04 C. 1557.55 CHG. -27.05 VOL. 169141
JASDAQ O. 72.96 H. 73.77 L.. 72.42 C. 73.76 CHG. 0.26 VOL. 44639
Stock Index Futures
Nikkei225Futures O. 15850 H. 16060 L.. 15830 C. 16050 CHG. -220 VOL. 115955
TOPIX Futures O. 1538.5 H. 1562.5 L.. 1533.5 C. 1560 CHG. -25 VOL. 46506