Nikkei average briefly dives 4,100 points as memory maker and chip stocks tumble

Robotic transporters carrying silicon wafers whizz by on overhead rails at a new factory that Kioxia, one of Japan's most valuable companies, hopes can help it meet overwhelming…

Kioxia shares fell 16% as an AI stock sell-off hit Japan's semiconductor sector, with investors reassessing chip valuations and long-term AI growth prospects.