America Movil is trading 4.92% down at $21.26, with no clear overnight company-specific catalyst explaining the pre-market decline. - Reports on October 6 said it may pursue Telefónica’s Chilean mobile business with Entel; NEC and Netcracker also announced a network-operations technology project. Neither report establishes a reason for the decline. - Third-quarter results are scheduled for October 20, after the market close. - Broader U.S. index moves are modest and mixed, so the supplied context does not establish a broad-market explanation.