http://247wallst.com/telecom-wireless/2015/11/02/sprint-to-cut-2-5-billion-surrendering-in-wireless-wars/

http://www.thinkadvisor.com/2015/11/02/the-vix-keeps-acting-like-thevix

http://www.bloomberg.com/news/articles/2015-11-02/visa-agrees-to-buy-visa-europe-for-as-much-as-23-4-billion

http://www.zacks.com/stock/news/196208/cboe-holdings-q3-earnings-revenues-beat-estimates

http://www.cboeoptionshub.com/2015/10/30/halloween-trend-points-to-market-upside-in-the-coming-months/

http://www.fow.com/3502130/Bats-moves-into-final-tests-before-options-launch.html?ArticleID=3502130

http://www.wsj.com/articles/cboe-easily-tops-expectations-amid-higher-trading-volume-1446207113

http://www.reuters.com/article/2015/10/29/us-cmegroup-results-idUSKCN0SN1BF20151029

http://www.cboeoptionshub.com/2015/10/29/5-key-points-about-covered-call-writing/

http://www.tradersmagazine.com/news/people/spoofing-defendant-coscia-says-he-intended-to-trade-orders-114600-1.html

http://www.myiris.com/news/market/india-vix-falls-in-morning-trade/20151030093448199

http://www.bloomberg.com/news/articles/2015-10-30/vix-bets-at-record-show-widening-divide-on-outlook-for-s-p-500