Clearly many people believe that the US is generally over regulated and that departments such as the SEC

Clearly many people believe that the US is generally over regulated and that departments such as the SEC go too far. Others think they do not go far enough. Accounting and financial information and rules are very much dependent on the SEC. What do you think? Has the SEC done a good job or are they simply in the way of an efficient market? Should their powers be expanded or contracted?