Twitter Weekly Updates for 2012-04-29

1. Performance attribution also known as benchmarkingdescribed in our algo, model development, strategy development...: http://t.co/vaqt8jrS #

1. Profitability in limit orders described in our algo, model development, strategy development online course for a...: http://t.co/j4PbDwEy #

1. http://t.co/EMkZG1Sf #

1. Sharpe ratio described in our algo strategy development…