Plug Power resolves ‘going-concern’ issue, but stock drops as results underwhelm

Plug Power Inc. has resolved “going-concern” issues, but its stock was still falling in Friday’s premarket action after the alternative-energy company missed the mark with its annual results.While the company’s fourth-quarter earnings release was scheduled for before Friday’s open, the company filed its 10-K annual report with the Securities and Exchange Commission late Thursday. Annual revenue dropped 27% to $891.3 million, according to the filing, and came in belo