Traders also shifted their focus to domestic corporate earnings and pondered the implications of the U.S.-Japan trade deal.
The Nikkei average tumbled 1.10 percent to 40,998.27 while the broader Topix index settled 0.72 percent lower at 2,930.73.
Chip-related shares paced the decliners, with Advantest and Screen Holdings plummeting 9-10 percent. Robot maker Fanuc soared 5 percent after its quarterly operating profit jumped nearly 30 percent.
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