- 12-Week # shares bought: 32,218
- 24-Week # shares bought: 32,218
Roth Capital downgraded the shares to sell, saying that the fuel cell firm's widely covered partnership with Amazon will dilute shareholders' value.
Analysts at Rodman & Renshaw also kept their rating unchanged, affirming their buy call on the shares and a $4 price target.
The Nasdaq closes at a record for the third session in a row as volatility holds at its lowest level in more than two decades.
The Nasdaq remain in the green, on track to close at another record, as Apple holds above its newly-secured $800 billion market cap level.