why, page-26

Bodeh
Who knows with specificity but it has a a lot to do with the subjective confidence the share holders have in management. as much as "fundamentals"
One thing that may often be overlooked is that at a certain stage investors figure that there are other fires into which they can stick their irons into.
So no matter how attractive the story of (for example SLR) is the particular metrics don't match the investors expectations.
Example, my wife in a Prada store looking for a hand bag.