Groupon seeks to go public in October 2011 or November 2011, people familiar with the matter told the New York Times on Wednesday, a week after the daily deals website put its IPO on hold for a few weeks as it waited to ride out global market turmoil and mini crashes.

It seems that Facebook employees may be leading a growing trend in Silicon Valley — cashing in on their soaring stock shares before a feared tech bubble crash wipes away their liquidity as it did to so many a decade ago.

Shares of online radio firm Pandora Media Inc. plummeted on their second day of trading as the Pandora IPO date departed and investors suddenly fled for the exits. BTIG analyst Richard Greenfield this afternoon launched coverage of Pandora Media with a Sell rating and a $5.50 price target.

So, before retail investors start to think Groupon and its IPO might be a great deal, you may want to do a little research on the company before getting giddy about the upcoming deal. Groupon is a Chicago based company and will trade under the (Ticker Symbol: GRPN) according to the Initial Public Offering filing.

Mini Flash Crashes are still occurring routinely with individual stocks, a sign some of the problems that contributed to the short-circuiting of the markets more than a year ago are still happening. Despite efforts to prevent another flash crash, regulators and markets have moved to implement safeguards.