Japan Tech & Markets: Japan’s Nikkei 225 hit a fresh record above 68,000 as AI-linked buying lifted semiconductors and equipment makers, with Tokyo Electron and Advantest among the gainers. AI & Security: Anthropic expanded access to its Mythos cybersecurity model, adding India and also bringing Japan into the partner list for large-scale vulnerability detection. Networked Sports: NTT will use its IOWN network to enable remote rugby video officiating, letting TMO officials operate from central Tokyo during the League One final. Optical Networking: NICT and partners demonstrated 450 Tbps transmission over a deployed metropolitan fibre link in London, a boost for high-capacity optical transport. Health Tech: argenx presented new long-term efgartigimod data for myositis and Sjogren’s at EULAR. Sustainable Food Tech: Japan moved toward full-cycle eel farming with commercial sales of fully farmed eels to cut reliance on wild glass eels. Policy & Safety: Japan’s communications ministry panel urged stricter age verification and feature limits for minors on social media. Cyber-Physical Threats: A new study suggests mosquitoes can be conditioned to be attracted to DEET, raising questions about repellent robustness.