taken the unprecedented step of asking high-frequency trading firms to hand over the details of their trading strategies, and in some cases, their secret computer code

Trading code is a high-stakes secret for high-frequency firms that battle each other to earn razor-thin profits on tiny price imbalances in the market. Such firms can make thousands of trades per second and provide much liquidity to the market.

High-frequency trading is estimated to be involved in more than half of all U.S. stock trading. Regulators have said the algos behind such trading were a factor in the flash crash, but that they did not cause it.

Retaliation: Greek Budget Expert Fired For Opposing Europe, Telling The Truth About Country's Insolvency

http://economix.blogs.nytimes.com/2011/09/01/do-parents-put-too-much-pressure-on-students/

floating houses

http://www.gizmag.com/floatec-floating-house-project/19670/

wars created a big deficit hide by real-estate bubble

http://www.project-syndicate.org/commentary/stiglitz142/English

oil is undervalueted

http://www.tradingfloor.com/blogs/equity-daily-theme/big-oil-undervalued-historically-perhaps-unjustifyingly-so-209899055?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+Trading-Floor+%28TradingFloor%29&utm_content=Google+Reader