Japan's Nikkei share average fell 0.6 percent on Wednesday, led down by industrial robot maker Fanuc Ltd and tracking losses on Wall Street.
Oil stocks such as Inpex Holdings Inc, Japan's largest oil exploration company, rose after crude prices surged to a record high.
As of 0107 GMT the benchmark Nikkei was down 0.6 percent at 13,681.99 and the broader TOPIX index was down 0.5 percent at 1,338.52.
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Japan's Nikkei Down, Oil Firms Up
Japan's Nikkei share average fell 0.6 percent on Wednesday