Activist investor Barry Rosenstein has raised some brows by acquiring about 700,000 shares (about .02 percent) of Goldman Sachs, according to Financial News Online. It is possible that this is a passive investment. But Rosenstein has a reputation as an activist. He stood beside Carl Icahn in his bid to break up Time Warner and in the successful move to force Kerr-McGee to sell some assets. And he actually launched a hostile bid for an energy company last year. He is pressing Ameritrade right now to merge with another broker. Perhaps he thinks there is reason to agitate Goldman Sachs. Not sure what that would be. Could be something governance oriented. Perhaps this will amount to nothing. You really do not want to make an enemy of the firm.

For more:
- here's the Financial News Online article