Roundup: Japan's Nikkei ends higher as yen's retreat lifts exporters

TOKYO, Nov. 22 (Xinhua) -- Japan's benchmark Nikkei stock index closed higher Tuesday, as the yen's weakness against the U.S. dollar gave exporters a boost, while investors bought back oversold issues to cover short positions ahead of a national holiday on Wednesday.

The 225-issue Nikkei Stock Average gained 170.95 points, or 0.61 percent, from Monday to close the day at 28,115.74.

The broader Topix index