Japan's AI boom lifts toilet, fibreglass and seasoning stocks

Japan's AI frenzy is boosting far more than chipmakers. This year, shares in Toto (sanitary ceramics), Nittobo (fibreglass) and Ajinomoto (seasonings) have surged because their less obvious products supply critical materials for the semiconductor and data-centre industries. The rally shows how broadly the AI boom is rippling through Japan's economy.