* Nikkei 225 Stock Average: +18.82 (+0.1%) to 18,168.72, extends rally to fifth day, but mostly small gains
* Nikkei 225 futures Osaka: -20 (-0.1%) to 18,190; Singapore (SGX) 18,195, Chicago (CME) 07/03 — 18,250
* TOPIX: +0.58 (+0.0%) to 1,782.44; Advancers 580 x decliners 987 (unchanged 164), New highs 69 x new lows 17; 20/33 sectors posted gains
* Jasdaq: +0.13 (+0.2%) to 82.37
Lightest trading volume in Tokyo since Christmas ‘06.

nikkei 225