The Nikkei 225 was trading around 190 points lower, with Mercari, Fujikura and Furukawa Electric among the top decliners in the constituent stocks.
The Nikkei 225 was trading around 190 points below its level at the end of the previous week on the morning of the 24th, with overseas factors including weakness in the Korea Composite Stock Price Index (KOSPI) weighing on the market. The dollar remained range-bound in the lower ¥158s.
Mercari, Fujikura, Furukawa Electric, SoftBank Group and Kioxia were among the top decliners in the Nikkei 225 constituent stocks.
Meanwhile, Sumitomo Metal Mining, Hitachi Construction Machinery, Sumitomo Heavy Industries, Mitsubishi Materials and Komatsu were among the top gainers.