This little AI software company needs to prove it can grow in the shadow of its bigger competitors. Lumen Technologies was one of the greatest comeback stories of 2024. The struggling telecom company's stock had dropped below $1 this June as investors fretted over the slow death of its business wireline segment. But it skyrocketed back to about $6 over the past four months as it secured several major AI deals. Microsoft mainly saved Lumen, which awarded it an artificial intelligence (AI) connectivity contra ...