'As if we needed another story to further solidify the running joke that has become the U.S. stock market. In this article from Bloomberg we find out that:
High-frequency trading firms are drawing scrutiny from U.S. regulators seeking evidence that they may be distorting market prices by conducting transactions with themselves, said two people with knowledge of the matter.
But fear not America, the SEC is on the case!'
Read more: Computers on Wall Street are Buying and Selling to Themselves!