http://blogs.wsj.com/marketbeat/2013/02/07/bulls-fall-into-gap-options-after-strong-january-sales/

http://online.barrons.com/article/SB50001424052748704372504578289953091839898.html?ru=yahoo&mod=yahoobarrons

http://www.reuters.com/article/2013/02/07/us-monte-paschi-idUSBRE9160GO20130207

http://www.bloomberg.com/news/2013-02-07/u-s-stock-options-with-biggest-changes-in-implied-volatility.html

http://www.tabbforum.com/news/a-stock-market-for-the-1-percent

http://www.bloomberg.com/video/linkedin-options-bullish-ahead-of-results-t1hQH51cQFKx3tj~s8WeZQ.html?cmpid=yhoo

http://www.zacks.com/stock/news/92065/cme-exits-2012-on-a-weak-note

http://www.marketintelligencecenter.com/articles/259494

http://www.businessinsider.com/massive-options-bet-against-bank-etf-2013-2

http://www.minyanville.com/trading-and-investing/options/articles/The-Anatomy-of-an-XOM-Earnings/2/6/2013/id/47943

http://blogs.wsj.com/marketbeat/2013/02/06/options-investors-look-for-flash-from-shutterfly-shares/

http://newsandinsight.thomsonreuters.com/Securities/News/2013/02_-_February/Regulators_square_off_on_who_can_sanction_trader/