MNTN ▲ +0.3% - MNTN, Inc. $MNTN KVYO - MNTN and Klaviyo Integrate Performance TV with CRM MNTN shares rose 0.3% following the company's announcement of a new integration between its performance TV platform and Klaviyo's customer relationship management system, which allows advertisers to combine TV campaign data with email and SMS marketing insights in a single dashboard. 09-SEP-2026 09:06 AM ET