The price haven't got sustained around $2700, it has been falling gradually. Now this has exceeded to fall beyond what people expected, because everyone was speculating about reaching $3000, at the same the price has gone down to be less than $2500. Hope the next price pumping happens in a short.
Yeah, unexpected move of bitcoin price, while many people think it will be stable or it will increase, we find it falling more than $400 ~$12xx before rising ~+70$ again. Hope to see the price soon around / +$2700 again