When it comes to reporting and trading, small-cap stocks usually get overlooked due to the lack of information, interest, or both. However, in the sea of options, hidden gems hold the potential to increase their value multiple times in the future, and Aspen Aerogels (NYSE: ASPN) might be one of these.A small-cap stock represents publicly traded company shares with a market capitalization typically between $250 million and $2 billion.In their Q4 report 2023, Aspen pre-announced that the total revenue reached ...