Blood Bath for A2M?, page-156

Two weeks have passed, and the SP has not recovered. I, like many others, cannot see the rationale for a sharp sell-down at the opening bell on the day of the market update. Many have posted their views on good growth and the potential earnings in the Chinese market. And others have said that fundamentals have not changed.
Well, some shareholders did put in large sell orders. If it was to drive the share price downwards so as to pick them up later, the question is when.
Or is it something else that has happened, that only the big shareholders know of?
On this sentiment thing, is it measurable and how do you spot it?