 FuelCell Energy Inc NASDAQ:FCEL, a stock that was listed in the early 1990s and peaked at the 5,000 mark two decades ago only to come down to trade in single-digit levels, has still fetched handsome returns over the past one year. The Danbury, Connecticut-based companys stock has in the past quarter seen a jump in revenue and a narrower loss, and while it is much smaller in stature and size with a market capitalization of 2.25 billion, the stock has fared better than bigger companies such as Tesla Inc NASDAQ:TSLA, Apple Inc NASDAQ:AAPL, Nio Inc NYSE:NIO and peer Plug Power Inc NASDAQ:PLUG. 