http://www.bloomberg.com/news/articles/2015-06-22/u-s-stock-index-futures-climb-as-greece-presents-new-proposals

http://www.chicagobusiness.com/article/20150620/ISSUE07/306209997/with-some-cme-pits-closing-time-to-embrace-the-future

http://www.bloomberg.com/news/articles/2015-06-22/bank-nifty-puts-jump-as-lenders-rally-boosts-demand-for-hedges

http://www.bloomberg.com/news/articles/2015-06-22/traders-wanted-tudor-to-train-macro-managers-as-banks-retreat

http://www.cnbc.com/id/102774533

http://www.wallstreetsectorselector.com/investment-articles/wall-street-sector-selector-market-update-and-analysis/2015/06/quadruple-witching-friday-spooks-stock-market-2/

http://www.tradersmagazine.com/news/ecns_and_exchanges/how-chinas-equities-markets-will-affect-the-broad-market-114018-1.html

http://www.reuters.com/article/2015/06/19/cftc-lawsuit-mfglobal-idUSL1N0Z515520150619

http://www.tradersmagazine.com/news/buyside/hft-powerhouse-amsterdam-glimpsed-through-speed-trader-ipo-114013-1.html

http://seekingalpha.com/article/3270415-greece-is-about-to-be-the-next-argentina-why-this-is-more-important-than-you-think

http://www.commoditytrademantra.com/gold-trading-news/mysterious-massive-seller-who-flash-crashed-gold-in-2014-finally-revealed/

http://www.bloomberg.com/news/articles/2015-06-19/u-s-index-futures-are-little-changed-as-smith-wesson-slumps