* Mystery: Google’s secret floating barge?
* Norway’s sov wealth fund: No more stocks
* Testing, testing: NYSE does mock run of Twitter IPO
* Eugene Wei: Amazon and the “profitless business model” fallacy
* Morning Call: U.S. futures up, Europe climbs and Japan rebounds.
* No deal: G4S rejects $2.5 billion offer for cash transport biz
* Gordon Ritter: How to tell if you’re in a cloud-friendly industry
* Prison overcrowding: The big winners of California’s crisis
* Dubai: The next ‘safe haven’ bubble?
* John Henry: Why I bought The Boston Globe
* Stanford Ovshinsky: The greatest scientist you’ve never heard of
* Falling behind? Obama launches major push for foreign investment
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