TOKYO, Oct. 23 (Xinhua) -- Tokyo stocks were mixed Wednesday morning, as expectations for solid domestic corporate earnings results prompted buying amid ongoing uncertainty about Britain's planned exit from the European Union.
The 225-issue Nikkei Stock Average shed 8.34 points, or 0.04 percent, from Monday to 22,540.56.
The broader Topix index of all First Section issues on the Tokyo Stock Exchange, meanwhile, edged up 1.55 points, or 0.10 percent, at 1,630.15.
Precision instrument and metal product issues led notable decliners, while marine transportation and pharmaceutical issues comprised those that gained the most by the morning break.
Markets here were closed on Tuesday for a national holiday.