The remaining deals of the week are from quartz-countertop maker Caesarstone Sdot-Yam Ltd. and Chinese online retailer Vipshop Holdings Ltd.

WSJ: Waiting in the Wings, 5 IPOs

But the index also includes some notable foreign companies providing similar services such as Vipshop Holdings an online discount retailer for various brands in China.

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Vipshop has never been profitable and faces competition from other online retailers like Taobao Mall, 360Buy and Dangdang, which adds to the hurdles the company must overcome to win investors.

WSJ: Waiting in the Wings, 5 IPOs

Its e-commerce site, vipshop.com, operates on a flash-sale format, which limits the products available for purchase, a tactic aimed at driving higher sales from consumers who don't want to miss out on deals.

WSJ: Waiting in the Wings, 5 IPOs

International fashion retailers are rushing to set up virtual shops in China, providing competition to domestic players like tiny Shangpin and larger, Nasdaq NYSE-listed VIPshop, which uses flash sales to move midpriced apparel.

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The only significant Chinese company to do a U.S. IPO this year was online fashion retailer Vipshop, which listed its shares in March, only to see them plummet by more than 30 percent in the first few weeks of trading.

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