Narrow range but rise

Today's range of Tokyo market was very narrow.But the price level of Nikkei is highest one in these 3 weeks.Nikkei 225 Futures ended at 16500 level .

Stock Indices
Nikkei225Average O. 16388.51 H. 16457.72 L.. 16388.51 C. 16435.74 CHG. 34.01
TOPIX O. 1569.07 H. 1577.9 L.. 1568.4 C. 1576.02 CHG. 9.19 VOL. 174993
JASDAQ O. 69.64 H. 71.18 L.. 69.64 C. 71.18 CHG. 1.61 VOL. 47306

Stock Index Futures
Nikkei225Futures O. 16420 H. 16500 L.. 16410 C. 16500 CHG. 70 VOL. 69918
TOPIX Futures O. 1575 H. 1584.5 L.. 1573.5 C. 1583 CHG. 11 VOL. 41835