Japan moves to block foreign takeover deal on national security grounds

Japan moved to block a proposed foreign takeover on national-security grounds, a regulatory intervention likely to affect investor sentiment toward Japanese equities. The decision raises the perceived political risk of inbound M&A, could damp foreign deal activity and weigh on the Japan 225 index in the near term as markets reassess takeover prospects and cross-border capital flows. Sectors tied to sensitive technologies or infrastructure may face heightened scrutiny, while domestic bidders or defence-related firms could see relative support. Overall, the action signals firmer scrutiny by Tokyo and introduces greater policy risk for investors evaluating Japanese stocks and potential takeovers.