Feb 28 ? Metals dance down

Feb 28th Silver, Gold and Platinum have a coordinated decline.
The shape of the Jag for each metal is similar. Yet the price point and the volumes are very different.

Silver drops 7 %. ; Gold drops 4.7% ; Platinum 5.7% Volumes are shown in same scale.

How does that tango dance?

Platinum has not reached a stable bottom.