peHUB First Read

* Why CEOs may want you talking about takeover attempts

* Jim Jubak: The key ingredient to financial bubbles is cheap money

* Rafat Ali: What questions will be answered by Demand Media’s IPO filing?

* Morning Call: U.S. futures point lower, London opens flat, European shares stay at 19-month high, the Nikkei loses 1.5% and Hong Kong shares retreat.

* Private equity’s property problems

* Bloomberg expects 19 greentech IPOs this year

* Mike Hirshland to Twitter developers: Don’t be scared. Just be smart. 

* The next $10 billion LBO might be right around the corner (this is theoretical, not specific)

* The winner of Kugman v. Sorkin is… Krugman

* NVCA president Mark Heesen discusses Q1 VC investment data: