This Week's IPO Winners and Losers

NEW YORK (TheStreet -- Many Chinese IPOs have seen success in the aftermarket, and Mecox Lane Limited (MCOX), which debuted on the Nasdaq exchange Tuesday was no exception.

The Shanghai-based online apparel retailer priced an offering of 11.7 million shares at $11 each, and saw the stock rocket almost 60% to close at $17.26.

Mecox's surge follows the market's warm reception of Country Style Cooking Restaurant (CCSC), the Chinese fast food chain that began trading at $24 in September and currently changes hands at roughly $34 a share for a gain for 38%.

Another example is China New Borun (BORN), which sells alcoholic beverages. The company went public in June at $7 per share and the stock now trades at around $16, a whopping 140% gain.

Then there's the rare earth mineral company Molycorp (MCP), that has soared to $35 from its original price of $12.

But with every IPO success story, Chinese or no, there seems to an equally dismal offering.

One such name is NuPathe (PATH), a pharmaceutical company that launched in August at $10 a share and has sunk to $6.

Trius Therapeutics (TSRX) hasn't fared much better as it dropped from an initial $5 a share to $4 for a 20% decline.

But it's not just small drug companies that have fallen flat. SMART Technologies (SMT) went public at $17 and has tumbled to $13.50, also a 20% loss.

So investors need to do a little homework if they want to informed decisions about these IPOs. Here are this week's offerings and their chances of success.

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