“High-frequency trading firms increased their campaign contributions to federal lawmakers by 673 percent from the 2008 to the 2012 election cycle, according to a report that sheds light on their political connections in Washington and efforts to impact policymaking. It compiles the campaign and lobbying records for 48 different firms like Citadel Investments, Getco, Knight Capital (KCG.N), Virtu Financial LLC and Tradeworx which engage in high-speed trading, a strategy that uses lightning-fast computers to search for ways to take advantage of tiny price moves in the marketplace.”
http://www.reuters.com/article/2013/05/13/us-campaign-highspeedtrading-idUSBRE94C0RG20130513
