Plug Power Stock Sinks 13% on $200 Million Stock Offering<blockquote>普拉格能源股价因 2 亿美元股票发行而下跌 13%</blockquote>
Shares of Plug Power Inc. sank 12.7% in morning trading Friday after the alternative-energy company said it had begun a $200 million stock offering, following broader declines this year amid questions