Shares in hydrogen company Plug Power (NASDAQ:PLUG) stock fell 4.7% overnight after announcing disappointing quarterly results.This followed a 5% fall in trading on May 8. Plug Power opened today at about $2.40 per share, a market capitalization of$1.66 billion.Pulling the PlugFor the quarter ending in March, Plug Power reported a loss of $296 million, 46 cents per share. Revenue was just$120 million. Revenue was down over 43%, and losses were up 43% from a year ago. The company ended the quarter with jus ...