this is an opinion piece related to this bloomberg article: http://www.bloomberg.com/news/2012-03-12/sec-said-to-plan-action-over-felix-sharespost-in-stock-inqu

this is an opinion piece related to this bloomberg article: http://www.bloomberg.com/news/2012-03-12/sec-said-to-plan-action-over-felix-sharespost-in-stock-inquiry.html http://www.bloomberg.com/news/2012-03-12/sec-said-to-plan-ac... I have never quite understood how these secondary markets work, is this article saying that they are going to shut down completely? Are there laws regulating selling your own shares of a non-public company, or is it just that a trading market cannot be setup for doing that?