Hi Kilgore: I can't be sure but I'll give you my thought; the stock has done well, earnings were good and released,ther stock ran, volume was heavy and it looks like lower-priced holders sold into the strength. It's not an uncommon occurance. Sorry that what pleased you turned around. You "might" get some relief tomorrow.
Went to Yahoo! TONS messageboard http://finance.yahoo.com/q/mb?s=TONS All are confused, no answers. One did make guess that due to low float (2.4million) MMs were trying to free up shares.