Stocks were trading weakly most of the day, with a late day push for the green into the close.
After hours Twitter was down about 8% on a lackluster earnings report.
The US equity market is thinly traded and highly driven by technical (up) and any exogenous events which, if negative, could precipitate a violent sell off.
Let's see how they manage the formation of this current bubble, and how soon it will be before it meets El Cliffo.
Have a pleasant evening.