Just computers driving the markets. Nothing to worry about as the algorithms now control every microsecond of these markets.
Spikes to blow through SLs and empty account instantly are back in fashion thats all, seemed to stop for a few years, FX used to have crazy 100pt instant moves all the time.
I was short the ES earlier, flattened for no good reason other than I was ahead a little.. glad I did, I'm sure my stop would not have gotten filled at a good price to say the least... gadz...