"Companies are judging it's not the time to invest because of uncertainties over the global economy," said Hiroaki Muto, a senior economist at Sumitomo Mitsui Asset Management in Tokyo.
The Nikkei 225 Stock Average climbed 0.22 per cent, or 19.82 points, to 9,002.68. The broader Topix Index gained 0.28 per cent, or 2.09 points, to 754.39.