The Nikkei average jumped 1.91 percent to 39,248.86 while the broader Topix index settled 1.43 percent higher at 2,753.58.
Chip-making equipment giant Tokyo Electron surged 4.3 percent, peer Advantest climbed 3.9 percent and AI-focused startup investor SoftBank Group advanced 2.7 percent.
Uniqlo-owner Fast Retailing gained 2.5 percent and electronic components maker TDK added 1.9 percent.
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