http://online.barrons.com/article/SB50001424052748704538604578372793358883244.html?mod=BOL_hpp_oe

http://www.cnbc.com/id/100574426?__source=yahoo|headline|other|text|&par=yahoo

http://www.fiercefinanceit.com/story/regulators-scour-cme-ice-wash-trades/2013-03-20

http://moneymorning.com/2013/03/20/are-mini-options-a-good-deal-for-retail-investors/

http://www.wallstreetandtech.com/asset-management/derivatives-trading-revenue-rose-73-perc/240151246

http://wallstreetsectorselector.com/2013/03/dr-ben-kicks-vix-etfs-in-the-face/#

http://www.cnbc.com/id/100572871

http://www.thestandard.com.hk/news_detail.asp?pp_cat=1&art_id=132234&sid=39278820&con_type=1&d_str=20130321

http://www.cnbc.com/id/100576676

http://www.bloomberg.com/news/2013-03-21/ice-asks-eu-to-take-nyse-euronext-deal-to-avoid-multiple-probes.html

http://www.cnbc.com/id/100574467?__source=yahoo|headline|quote|text|&par=yahoo

http://www.bloomberg.com/news/2013-03-20/u-s-stock-options-with-biggest-changes-in-implied-volatility.html?cmpid=yhoo