Quote from gwb-trading:
Knight rises as firm reportedly finds trade glitch
http://finance.yahoo.com/news/knight-rises-firm-reportedly-finds-164116390.html
Some people could not get to the above link (I can from Canada). Here is the link from MarketWatch.
http://www.marketwatch.com/story/kn...inancials-rise-2012-08-14?link=MW_latest_news