CommScope Holding Co. reached a deal to sell its broadband and cable equipment arm to Amphenol Corp. for about $10.5 billion in cash, the second such deal it’s done with Amphenol as part of a series of divestitures aimed at paying off debt.

Shares of CommScope Holding Co. skyrocketed when electronics component maker Amphenol purchased its Connectivity and Cable Solutions operation for $10.5 billion in cash. Amphenol shares traded at an all-time high.

Including today’s cosmic run, COMM shares are up some 350% versus their year-to-date low in late April. For retail investors eyeing CommScope stock after the surge, the window may have already closed. The explosive move this morning reflects that markets have already priced in the acquisition related premium.