AlHijjah 28, 1435, Oct 22, 2014, SPA -- Japanese shares bounced back Wednesday, bolstered by the yen's decline against the dollar and overnight rallies on Wall Street and European markets, according to dpa. The benchmark Nikkei 225 Stock Average gained 391.49 points, or 2.64 per cent, to end at 15,195.77 after falling 2.03 per cent on Tuesday. The broader-based Topix index was up 31.05 points, or 2.58 per cent, at 1236.41. On currency markets at 3 pm (0600 GMT), the dollar traded at 106.90-92 yen, up from Tuesday's 5 pm quote of 106.56-57 yen. The euro was quoted at 136.05-06 yen, down from 136.69-70 yen late Tuesday.