done by vincent van gogh. here s yours first look at wall street. the dow opens at 13,170. the s&p lost four points, and the nasdaq was down four. taking a look at overseas trading in tokyo, the nikkei fell 55 pint, while in hong kong, the hang seng was down 31. worries about china s growth had investors on edge tuesday. a widespread drop in china s home prices and warnings of a slowdown in demand of iron ore sparked an early selloff, the s&p s energy index was hardest hit, along with industrial and commodity stocks. the housing sector got a much-needed dose of optimism on news that requests for home building permits hit a 3 1/2-year high on wednesday. and amazon is pouring me ining