Plunged 9.7% in $AT 1 hours, to 0.1351, with a 24-hour range of 0.1314–0.1653.
Technically, this move needs to be assessed alongside the daily chart structure; short-term fluctuations are often retraced.
The biggest mistake during a downturn is adding to your position as prices keep falling. Once you’ve used up all your ammunition, all you can do is hold on.