Until recently, I had never owned any of the Federal Agricultural Mortgage Corporation ( AGM ), aka Farmer Mac, preferred securities before. It was not because I had a problem with either the issuer or the securities themselves. They just never traded atMy experience stems from the hedge fund industry beginning in the mid-90's, working as a Portfolio Manager, Domestic Equity Analyst and Trader. I was the Portfolio Manager of a domestic Long/Short Equity product with gross assets that peaked over 1 Billion d ...