Pre-Marketing: Is Groupon’s IPO hot again?

* Aaron Levie: Competing against the big guys

* Charlie Gasparino: Jon Corzine’s lesson for Wall Street risk-takers

* Morning Call: U.S. futures point lower, London falls early, European shares tumble and the Nikkei falls on yen intervention.

* In memoriam: Robert Pritzker

* Romer to Bernanke: It’s time for your Volcker moment

* Halloween horror: Contemptible costume party at a home foreclosure firm

* Henry Blodget: Apple’s Samsung problem

* Dave Kellogg: Why Palantir makes my head hurt

* Matt Levine: Ratings agencies incentivized by incentives

* Get Term Sheet: Sign up for our morning email on deals & deal-makers

* Luke Timmerman: Cancer drug dark ages are coming to an end

* Photo of the Day: French workers constructing the Statue of Liberty

* Matthew Ingram: Declaring bankruptcy in the attention economy

* Mark Zuckerberg: If I were starting a company now, I would have stayed in Boston