"This losing value on big volume has me a little concerned."
IMO, this is bouncing around the bottom, not losing value - value has alread been lost.
Besides, I don't think these larger trading days mean quite what you are suggesting by "big volume." Friday's trading, while larger than normal, was a pitiful 1.3 percent of outstanding shares. This is far, far from anything that could be construde as capitulation, and is supportive of the fact that many holders are continuing to hold and/or add to holdings, even while some may be selling.
As I noted several weeks ago, and for now anyway, this stock has become a vehicle for traders, while IMO accounting for what you see as "big volume" (which it really isn't).