MarketCatalystAT&T fell 5.8%, Verizon 4.5% and T-Mobile 4.0% in after-hours trading, while Crown Castle jumped 10.3% and American Tower 7.4%, after Bloomberg reported that SpaceX is in talks to access at least 80,000 U.S. cell sites to support a fourth nationwide wireless network.
Elon Musk has reportedly invested about $1 billion in Skydance, according to Semafor, less than three weeks after the media company closed its Warner Bros. Discovery acquisition and took on roughly $80 billion of debt.
Merck reported that Moderna's personalized cancer vaccine, intismeran, combined with Keytruda significantly reduced the risk of melanoma recurrence or death by 42% versus Keytruda alone in the Phase 3 INTerpath-001 trial.
Moderna shares plunged about 25% after detailed Phase 3 results for its personalized melanoma vaccine with Merck reportedly leaked online ahead of the Oct. 24 ESMO presentation.
Axios, citing people familiar with the matter, reports major banks are restricting third-party AI agents after detecting unauthorized access to customer accounts and activity that appeared to occur without user instructions.
SpaceX Super Intelligence launched its official AI Partner Network, bringing together more than 130 companies to speed enterprise adoption of Grok, Cursor and AI-powered software development.