The Nikkei average hit an intraday high of 43,451.46 before closing up 1.30 percent at a record high level of 43,274.67. The broader Topix index settled 0.83 percent higher at 3,091.91.
Among the prominent gainers, Advantest, Renesas Electronics, Tokyo Electric Power and Yokohama Rubber surged 5-8 percent. Athletic apparel company Asics soared 18 percent after raising its full-year forecast.
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