Pre-Marketing: Market bubble biology

* Killer app: Anon Q&A sites keep sparking suicides

* SEC punts: Do Demo Days constitute general solicitation?

* Lloyd Blankfein: Why we keep doing business with SAC Capital

* Morning Call: U.S. futures rise, Europe surges and Japan climbs.

* Philly fun: How far did Rocky really run?

* Eduardo Porter: America’s sinking middle class

* Stephen Gandel: The Fed has lost all credibility

* Aswath Damodaran: Trying to price Twitter, rather than value it

* Valley combo: Stanford to offer joint CS/MBA program

* Charitable: Bain Capital donates $3 million to City Year

* Data: No relationship between runway and startup success

* Bruce Booth: 10 fundraising tips for biotech startups

* In memoriam: Ex-Amazon CFO Joy Covey dies in bike accident

* Taper meth: 8 parallels between Ben Bernanke and Walter White

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