LPSN ▲ +2.4% - LivePerson, Inc. $LPSN SOUN - LivePerson Stockholders Approve Acquisition by SoundHound AI LivePerson shares rose 2.4% following stockholder approval of the company's acquisition by SoundHound AI. The vote removes a key hurdle for the deal to close, reducing uncertainty around the transaction's completion. 02-SEP-2026 01:01 PM ET