DumpingNational Bank has been dumping shares for some time, at least 750,000 since July 1st and they are primarily responsible for this price collapse. It seems they are getting out of several junior positions and can't find buyers willing to take the large blocks off their hands. It may be remnants of hedge fund selling or just a major position gone wrong. Maybe it's something sinister but I doubt it.
Bottom line, don't expect IAE or similar stocks to trade at anything resembling logical and fair market prices.