Japanese stocks rose 2 per cent Wednesday for the first rise in four days as export-oriented issues were lifted by the yen's decline. The benchmark Nikkei 225 Stock Average gained 172.84 points, or 2.01 per cent, to 8,763.41 after plunging 2.21 per cent Tuesday to the lowest since April 2009. The broader-based Topix index was up 12.43 points, or 1.68 per cent, at 753.63, according to a report of the German Press Agency "DPA".