Lumen Technologies has experienced a significant surge in its stock price, rising 30% on Wednesday and 540% over the past month. The telecommunications company attributes this increase to higher demand for its services driven by the AI boom. Lumen has positioned itself as a key player in the AI economy, with its CEO emphasizing the company's role as the 'backbone of the AI economy.' The company has also provided a positive cash-flow outlook, further boosting investor confidence. This transformation has seen Lumen's stock rise from being valued at 99 cents to becoming a major player in the AI sector.