5月22日电，AT&T以57.5亿美元收购Lumen的大众市场光纤业务。

Group 1 - AT&T has acquired Lumen's consumer fiber business for $5.75 billion [1] - This acquisition is part of AT&T's strategy to enhance its broadband offerings [1] - The deal is expected to strengthen AT&T's position in the competitive fiber market [1] Group 2 - The acquisition reflects ongoing consolidation trends in the telecommunications industry [1] - Lumen's consumer fiber business will provide AT&T with additional subscribers and infrastructure [1] - The transaction highlights the increasing demand for high-speed internet services [1]