only idea i see, since float is 4m, someone may have gotten themselves stuck on big boards upside down or something... 1 mm came down with a block of shares, got taken out over the past few days and now we can head back up.
Keeping watch for additional exchange listings and some over due corp updates.
Buy it, trade it, hold it, ignore it... do whatever your want, just
don't do it because of what I say.