"... Moments ago, a 65,000 sell order in the E-Mini, equivalent to a notional of roughly $8 billion, sent the S&P 500 tumbling, and breached the 200-day moving average..."
https://www.zerohedge.com/news/2018-04-02/nasdaq-tumbles-red-2018
How does one make a trade for 65,000 contracts? The DOM...