BigBear.ai recently made a smart acquisition.BigBear.ai (BBAI 4.97%) is a popular artificial intelligence (AI) stock despite its small size. BigBear.ai has a market cap of less than $3 billion, which is why investors are so excited about it. The number of opportunities to invest in small-cap artificial intelligence stocks is fairly limited, boosting the popularity of the few that are available.BigBear.ai is no exception, and many investors are wondering if the stock could double in 2026. I think that's wish ...