Japan's Nikkei share average ended higher on Friday, tracking the Dow's overnight gains, but pared a large chunk of its early gains as investors booked profits. The Nikkei added 0.18% to close at 38,981.75, after rising as much as 0.7% earlier in the session. The index ended the week 1.75% lower. The broader Topix ended 0.04% higher at 2,688.98, but posted a 0.68% weekly loss.