Well, conceivably, if the total value were to drop to 0 in a very short amount of time, it would be simply “down” (and the inverse, for the far more unlikely ev

Well, conceivably, if the total value were to drop to 0 in a very short amount of time, it would be simply “down” (and the inverse, for the far more unlikely event that it increased a few orders of magnitude all at once and then flatlined, appearing to simply go “up”).