Mark Buchanan has a piece on Bloomberg called "Sand in the machine the key to stable markets". This is an introduction into the idea that market efficiency is at [...]

The Barron's article "Hitting the Switch on New Circuit Breakers" describes a backtest of the proposed new rules for circuit breakers in American markets. All trades for 2008 through [...]

100 years ago today a small, rather obscure masterpiece was stolen from the Louvre by a disillusioned former(?) employee.  Subsequently: the painting was recovered during an attempt to sell [...]