TOKYO, Jan. 16 (Xinhua) -- Tokyo stocks closed lower Wednesday as investors opted to lock in profits made recently while concerns mounted over the future course of Britain leaving the European Union after an exit deal was voted down in parliament a day earlier.
The 225-issue Nikkei Stock Average dropped 112.54 points, or 0.55 percent, from Tuesday to close the day at 20,442.75.
The broader Topix index of all First Section issues on the Tokyo Stock Exchange, meanwhile, lost 4.95 points, or 0.32 percent, to finish at 1,537.77.
Oil and coal product, mining, and pulp and paper-linked issues comprised those that declined the most by the close of play.