Tokyo's Nikkei share average opens down 0.46 pct

TOKYOS-NIKKEI-SHARE-AVERAGE-OPENS:Tokyo's Nikkei share average opens down 0.46 pct

Japan's benchmark Nikkei average opened down 0.46 percent at 8,822.39 on Tuesday, while the broader Topix shed 0.45 percent to 733.79.