After years of fighting for more trading to come back onto stock exchanges, Nasdaq OMX Group Inc. NDAQ, -1.04% is considering joining the dark side. http://www.marketwatch.com/story/nasdaq-looks-to-operate-dark-pools-for-banks-2015-01-11-201033221
as a retail investor with a couple of hundred or a couple of thousand shares, do you really want a bank dumping hundreds of thousands of shares on the exchange when another bank is willing to buy them in a dark pool?