Tokyo's Nikkei share average opens up 0.01 pct

TOKYOS-NIKKEI-SHARE-AVERAGE-OPENS-UP-001-PCT:Tokyo's Nikkei share average opens up 0.01 pct

Japan's benchmark Nikkei average opened up 0.01 percent at 8,642.89 on Thursday, while the broader Topix gained 0.09 percent to 730.47.