Pre-Marketing: Exchange merger in doubt

* Derek Thompson: Romney and the American gospel of efficiency

* Rocky exchange: European regulators set to block NYSE-DB merger

* Reports: Foxconn workers at Xbox 360 factory threaten mass suicide

* Morning Call: U.S. futures point higher, London falls early, European shares retreat and the Nikkei climbs.

* Scott Bell: This research report is not “research”

* Over-leveraged: PE exec accused of breaking waiter’s finger

* Scaling Etsy: What went wrong, what went right

* David Biesel: Super pro-rata rights aren’t super

* Pinata: Ex-MF Global employees take whacks at “Corzine”

* Jon Friedman: Is Netflix surging on takeover rumors?

* Dick Grasso: Reclassify naked derivatives as online gaming

* Searching for your biz model? Web economy b.s. generator

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* Twitter on Google search changes: “We think that’s bad for people, publishers, news organizations and Twitter users.”