07:34 AM EDT, 08/26/2025 (MT Newswires) -- EchoStar ( SATS ) shares were 63% higher pre-bell Tuesday after AT&T (T) agreed to buy certain wireless spectrum licenses from the company for about $23 billion.

Serina Therapeutics ( SER ) stock was up 30%, a day after the company said it got a written feedback from the US Food and Drug Administration supporting its clinical trial program for Parkinson's disease.

Offerpad Solutions ( OPAD ) shares were 25% higher, extending Monday's rally.