At last minute? someone trying to set a low base for entry next week - dump what you have and re-enter next week at lower price. this is not intended to shake out weak hands - too late in the day for that
It only amounts to several thousand dollars to head fake this. Besides dollars to doughnuts it is one MM who is a million or much more upside down. Made a bad bet shorting at .03 that IBGR would crash.