http://www.bloomberg.com/news/articles/2015-05-07/flash-crash-suspect-sarao-fights-bail-ruling-from-london-jail

http://www.ft.com/intl/cms/s/0/ed0e5df4-f4c7-11e4-9a58-00144feab7de.html?siteedition=intl#axzz3ZTcKwD7X

http://www.bloomberg.com/news/articles/2015-05-06/gross-s-short-of-a-lifetime-sours-as-bund-slump-turns-volatile

http://www.bloomberg.com/news/articles/2015-05-07/buffett-climbs-from-derivative-hole-that-swallowed-berkshire-aaa

http://www.reuters.com/article/2015/05/06/cftc-lawsuit-mfglobal-idUSL1N0XX3HN20150506

http://uk.reuters.com/article/2015/05/06/uk-britain-election-stocks-options-idUKKBN0NR1KW20150506

http://blogs.wsj.com/moneybeat/2015/05/06/bearish-options-bets-pile-up-in-high-yield-corporate-bond-etf/

http://www.wsj.com/articles/navinder-saraos-flash-crash-case-highlights-problem-of-spoofing-in-complex-markets-1430943635

http://www.myiris.com/news/market/india-vix-falls-in-morning-trade/20150507093124199

http://www.hedgeweek.com/2015/05/06/222960/cme-group-volume-averaged-115m-contracts-day-april

http://www.bloomberg.com/news/articles/2015-05-06/high-speed-trader-virtu-financial-sets-sights-on-chinese-market

http://www.bloomberg.com/news/articles/2015-05-06/there-have-been-some-big-mysterious-moves-in-markets-lately