Core Insights - AT&T Inc. shares declined over 2% despite reporting stronger-than-expected third-quarter subscriber additions and adjusted earnings, driven by bundled offers combining 5G mobile and fiber internet plans [1] Subscriber Growth - The company added 405,000 net postpaid wireless phone subscribers in the quarter, representing a 0.5% year-over-year increase and exceeding Bloomberg consensus estimates of 338,547 [2] - Additionally, AT&T gained 288,000 fiber customers, surpassing projections of 273,747, with over 41% of households using its fiber services also subscribing to mobility offerings [3] Financial Performance - Adjusted earnings before interest, taxes, depreciation, and amortization (EBITDA) increased by 2.6% to $11.9 billion, exceeding forecasts of $11.77 billion [2] - Mobility revenue grew by 3.1% year-over-year, supported by stronger wireless device sales [3] Revenue Challenges - Total revenue for the quarter was $30.7 billion, falling short of analyst expectations, primarily due to ongoing weakness in the business wireline segment, which provides data, voice, and internet services through physical fiber infrastructure [4]