That will happen sometimes when you setup the Bid and it didn't take very many trades to do it, then cover the short with 763,796 shares at .0034 on a spread of .0031 for almost a double up Short Play... Then ride it back to .0060 for another double on Long Play. All in same day...
It didn't "tank" yesterday. Someone put in a market sell order & it quickly touched that price and was right back to .006 in a minute. It was a nasty little MM move.
Wish I woulda been the lucky bastard to get shares at .0034.