The restless urge to invest and renew at an ever-increasing rate lies behind Japan’s dominance of the world semiconductor industry and the oversupply problems that led to the controversial US Japan Semiconductor Accord – but after a lull in 1987, Japanese chipmakers are set to resume their high rate of investment this year: according to Reuters, the top 10 manufacturers collectively plan to increase chip plant investment by 40% this year for a grand total of some $3,200m.