American Tower is trading 4.8% higher at $192.57 in pre-market on October 29, with positive context from its recent third-quarter report, which showed data-center revenue growth and a higher full-year property-revenue outlook. - Data-center cash revenue grew 16.3%; the company raised the outlook midpoint by $55 million and authorized an additional $2.0 billion in share repurchases. - Markets were mixed, with technology indices weak; coverage did not explicitly link the October 29 pre-market move to a new overnight announcement.