Weak yen brings buy interest to blue chip exporters, sparking an afternoon session rally which brought the Nikkei back near breakeven from earlier triple-digit losses.

* Nikkei 225 Stock Average: -28.14 (-0.2%) to 17,732.77
* Nikkei 225 futures Osaka: -70 (-0.4%) to 17,730
* TOPIX: -5.70 (-0.3%) to 1,745.92; Advancers 640 x decliners 942 (unchanged 150); 10 of 33 sectors posted gains
* TOPIX 2nd Section: 5th straight loss
* Jasdaq: +0.01 (+0.01%) to 79.56
* Yen trading at a 4.5-year low against the US dollar