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)