Twitter Updates for 2012-05-11

1. New blog post: Learn Random walk theory for market inefficiency http://t.co/XEEwiECA #

1. New blog post: Learn Maximum number of intraday Sharpe ratio http://t.co/nCiAnxi4 #

1. New blog post: WHY GOLD IS BACK AT LAST? http://t.co/fHQcK0UU #

1. Here's what you missed this week: portfolio management, backtesting, risk management, post trade analysis, etc: http://t.co…