Japanese shares edged up Tuesday after market sentiment was lifted by the yen's fall against the euro and receding fears about the eurozone debt crisis. The benchmark Nikkei 225 Stock Average gained 19.43 points, or 0.22 per cent, to close at 8,785.33 while the broader Topix index was up 0.61 points, or 0.08 per cent, at 757.4, according to a report of the German Press Agency "DPA".