Crown Castle (CCI) rose 11.29% to $76.67, heading for its largest percent increase since March 26, 2020. The stock is up 15.40% this week, its best weekly performance since March 2009. The rally is driven by the SpaceX spectrum deal announced Thursday, which positions tower companies as beneficiaries of Starlink Mobile's network buildout. CCI is the second-best performer in the S&P 500 today.

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