Photo: Richard Drew, AP

By late Thursday Pandora became the latest in a series of Internet companies to have its stock go in to freefall shortly after its IPO.

The popular online radio company’s stock closed at $13.26 on its second day of trading, lower than the $16 offering price.

Pandora follows the recent initial public offerings from business networking leader LinkedIn. And while its stock has run into trouble, it hasn’t sunk the way that Pandora’s has. And the price drop has some questioning what will happen to  Groupon.

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