<p>This copy is for your personal, non-commercial use only. Distribution and use of this material are governed by our Subscriber Agreement and by copyright law. For non-personal use or to order multiple copies, please contact Dow Jones Reprints at 1-800-843-0008 or visit</p><p>www.djreprints.com</p><p><a href="http://online.wsj.com/article/SB10000872396390444017504577645322913169392.html">Keep reading...</a></p><p>Read also:</p><p><a href="http://www.reuters.com/article/2012/09/11/us-knight-ceo-idUSBRE88A0PB20120911">Knight hires IBM to review August trading glitch</a> (Reuters)</p><p><a href="http://www.businessweek.com/news/2012-09-11/knight-ceo-says-ibm-reviewing-processes-after-error">Knight CEO Says IBM Reviewing Processes After Error</a> (Businessweek)</p><p><a href="http://www.insidermonkey.com/blog/why-do-hedge-funds-like-international-business-machines-corp-ibm-17958/">Why Do Hedge Funds Like International Business Machines Corp (IBM)?</a> (Insider Monkey (blog))</p><p>Explore: <a href="http://news.google.com/news/more?pz=1&ned=us&ncl=dx4QlwtE3u-OIEMzt3gceKp7KcgIM">17 additional articles.</a></p>