It's not some "mystery" seller - he's there for all to see.
I agree higher volumes would help the casue, but at the moment the seller is controlling the whole situation. Some buyers may have not yet pushed the button becasue they can see a larger holder is exiting.
Once he is gone we will rise 20% + very quickly.
Anyway hopefully the stock can now hold above 40 and slowly push on from here - at least to a conservative price of 50+ before kicking up to a fairer valuation post earnings and or further contract announcements.
ETC Price at posting:
42.0¢ Sentiment: None Disclosure: Held