Tokyo, July 13 (BridgeNews) - Japanese shares ended 0.4% lower in sluggish trade following a sharp rebound Thursday with overnight gains on Wall Street having little impact as they were already factored in, traders said. There was no major reaction to the Bank of Japan's decision to keep its current monetary policy as it was in line with market expectations. The Nikkei 225 Stock Average was down 52.80 points to 12,355.15.