Japan 's Nikkei 225 stock average was down 35.21 points , or 0.4 percent , at 7,933.82 , Hong Kong 's Hang Seng lost 51.56 points , or 0.4 percent , to 13,717.50 and South Korea 's Kospi was off 6.26 points , or 0.5 percent , at 1,196.43 .