http://www.seeitmarket.com/welcome-to-july-when-the-vix-volatility-index-comes-to-life-14523/

http://www.cboeoptionshub.com/2015/06/30/ignore-the-noise-coming-from-greece-and-all-else/

http://www.reuters.com/article/2015/06/30/nasdaq-omx-markets-reform-idUSL1N0ZG1SB20150630

http://www.cbsnews.com/news/what-mondays-shock-day-sell-off-could-signal/

http://www.bloomberg.com/news/articles/2015-06-30/in-communist-china-stock-market-capitalists-now-rule

http://www.bloomberg.com/news/articles/2015-06-30/cme-group-delays-globex-market-open-for-july-1-on-leap-second-

http://seekingalpha.com/article/3295605-greek-crisis-presents-rare-opportunity

http://www.bloomberg.com/news/articles/2015-06-30/u-s-index-futures-signal-equities-to-rebound-from-four-day-drop

http://www.marketwatch.com/story/five-years-after-flash-crash-committee-to-fix-markets-can-barely-agree-an-agenda-2015-06-30

http://www.marketwatch.com/story/us-stocks-end-higher-sp-500-breaks-9-quarter-win-streak-2015-06-30?mod=BreakingNewsMain&link=sfmw

http://www.cnbc.com/id/102800266

http://www.reuters.com/article/2015/06/30/us-sec-goldmansachs-idUSKCN0PA28H20150630