AlHijjah 15, 1432, Nov 11, 2011, SPA - Japanese stocks inched lower Friday morning as market sentiment was hurt by concerns about the lingering European debt crisis. The benchmark Nikkei 225 Stock Average lost 13.3 points, or 0.16 per cent, to trade at 8,487.5 by the end of the morning session at 11 am (0200 GMT). The broader-based Topix index was down 3.2 points, or 0.44 per cent, at 727.1, DPA reported.