TOKYO, Dec 28  - Japan's Nikkei average hit its highest in four months on Monday, with exporters rising while Takashimaya Co Ltd (8233.T) gained after the department store chain kept its full-year profit forecast unchanged.
The benchmark Nikkei .N225 was up 0.8 percent at 10,576.05 in early trade after climbing as high as 10,587.75, its highest since Aug. 31.
The broader Topix added 0.6 percent to 914.57. (Reporting by Aiko Hayashi)