I think this great article created the mini selloff in $ES :it came at 2:25 pm&amp;freaked some people out because of the concentration of the $SPX strikes lower at 2800/2900 &amp; market sold off after 2:30-45pm ET #StockMarket $SPY $QQQ ,Thursday&amp;Friday market open may be very volatile https://t.co/b3oNnScdLd