RediPlus didn't get much of a mention at the time of the acquisition of Spear Leeds Kellogg by Goldman Sachs. Most of the focus was either on the price, initially $6.5 billion, or on what seemed to be an about-face by the investment bank. SLK was best known as a specialist, the market maker on the floor of the New York Stock Exchange. Goldman had been a prolific investors in its nemesis, the electronic trading platforms, and seemed to regard the specialist model as unsustainable.
Recent events appear to underline that sentiment. The SEC concluded its investigations last month into...
