Klaviyo is trading at $16.55, up 4.32% on September 23, 2026, after rolling out AI-focused CRM upgrades.
- The upgrades include access to 260+ MCP tools and 490+ APIs.
- Klaviyo introduced a two-way MNTN integration connecting Performance TV campaigns with Klaviyo email and SMS automation.
- The developments appear to be the clearest company-specific catalyst, despite modestly negative major-index performance.