http://www.reuters.com/article/2014/10/29/us-markets-sec-traders-idUSKBN0II0DC20141029

http://www.bloomberg.com/news/2014-10-28/ibovespa-s-volatility-rivals-greece-after-presidential-vote.html

http://www.bloombergview.com/articles/2014-10-28/currencies-flag-more-volatility-ahead

http://blogs.wsj.com/moneybeat/2014/10/28/bears-piles-into-facebook-options-ahead-of-earnings/

http://www.forbes.com/sites/narrativescience/2014/10/28/earnings-expected-to-increase-for-cme-group/

http://www.bloomberg.com/news/2014-10-27/u-s-banks-see-worst-outflow-of-money-in-etf-since-2009.html

http://blogs.barrons.com/asiastocks/2014/10/27/alibaba-option-volume-up-profit-taking-at-102/?mod=BOLBlog

http://www.cnbc.com/id/102125008

http://blogs.wsj.com/venturecapital/2014/10/27/ledgerx-hopes-to-establish-first-u-s-regulated-futures-exchange-for-bitcoin/

http://www.bloomberg.com/news/2014-10-28/bourse-link-guessing-game-fuels-hong-kong-stock-wagers-options.html

http://www.cboeoptionshub.com/2014/10/27/options-average-daily-volume-month-1-3-million-spx-1-million-vix/

http://in.reuters.com/article/2014/10/28/southkorea-exchange-cme-group-idINL4N0SN49A20141028