Nevertheless, the ride has not been all smooth thus far, which probably explains the still-low valuations of even the industry leaders, despite strong underlying growth. The sector has undergone two years of consolidation, which has weeded out some of the smaller players and dimmed the appetite of venture capital firms; some firms offering services across the e-commerce value chain have run into cash-flow problems, and the "group-buy" model where websites offer products at discounts when a minimum number of buyers make the purchase has just not clicked. hollister co Wall Street couldn't shrug off doubts about the US economy and government gridlock yesterday. http://www.funcec.br/snow.asp?nike-shox-classic/ Shaanxi Qinling Cement (Group) Co dropped 4.4 percent to 4.15 yuan. Anhui Conch Cement Co, China's biggest cement producer, lost 3 percent to 13.14 yuan.