The NYSE halts or stops trading on a day where Chinese stocks/markets are crashing. The Wall Street Journal has computer problems as well.
http://www.msn.com/en-us/money/mark...-china-greece-weigh/ar-AAcIiLP?ocid=ansCNBC11
http://money.cnn.com/2015/07/07/investing/china-stocks-shanghai-crash/index.html
http://www.ibtimes.com/wall-street-...wn-nyse-stops-trading-computer-glitch-1999756
They're denying a possible cyber attack but this is just too coincidental
http://beforeitsnews.com/survival/2...d-airlines-over-technical-issues-2576952.html
http://www.msn.com/en-us/money/mark...-china-greece-weigh/ar-AAcIiLP?ocid=ansCNBC11
http://money.cnn.com/2015/07/07/investing/china-stocks-shanghai-crash/index.html
http://www.ibtimes.com/wall-street-...wn-nyse-stops-trading-computer-glitch-1999756
They're denying a possible cyber attack but this is just too coincidental
http://beforeitsnews.com/survival/2...d-airlines-over-technical-issues-2576952.html