Which of these unloved AI stocks can make a comeback?BigBear.ai (BBAI 22.16%) and C3.ai (AI 2.45%) both develop artificial intelligence (AI) modules that can be plugged into an organization's existing infrastructure to accelerate and automate certain tasks. BigBear.ai is a smaller company that plugs its modules into edge networks. C3.ai is a larger developer of AI algorithms that can be integrated into an organization's existing software.Both stocks disappointed their early investors. BigBear.ai's stock ope ...