Key Takeaways KT's AICT pivot includes AI partnerships with Microsoft and Palantir.AT&T's mid-band spectrum buyout aims to cut 5G costs and accelerate Internet Air expansion.KT faces heavy AI investment costs, while AT&T's wireline losses and debt weigh on results.KT Corporation (KT) and AT&T (T) are large telecommunications providers with diverse services, including broadband, mobile and enterprise communications. Both are known for steady dividends. KT Corporation leads in South Korea, while AT&T dominate ...