The problems that have plagued Plug Power (NASDAQ: PLUG) persisted in its second quarter as the company once again posted poor results. The stock has lost about 80% of its value in the past year.

Plug Power — which is supporting the Department of Energy’s hydrogen hubs — has alarmed investors by suggesting it could run out of cash over the next year. A fuel cell developer aiming to build North ...

Bullish flow in Plug Power (PLUG), with shares up 9c, or 5.96%, near $1.60. Options volume roughly in line with average with 84k contracts traded and calls leading puts for a put/call ratio of 0.23, ...