Key Takeaways AT&T shares have climbed 20% in a year, outpacing the Wireless National industry's 4% gain.Fiber expansion, 5G rollout, and AI-driven optimization support growth despite wireline headwinds.Stiff competition from other industry leaders and weakness in wireline business are concerns.AT&T, Inc. (T) has gained 20% over the past year compared with the Wireless National industry’s growth of 4%. The stock has underperformed the Zacks Computer & Technology sector but outperformed the S&P 500 during th ...