Meta stock closes up on Manus AI agent deal — what investors are watching next
NEW YORK, December 30, 2025, 16:04 ET — After-hours Meta Platforms, Inc. shares closed higher on Tuesday after the Facebook owner said it would acquire Chinese-founded artificial intelligence startup Manus, a move that put fresh focus on the company’s push into advanced AI features. Meta ended the regular session at $666.49, up 1.2%. Yahoo Finance+1 The purchase matters because “AI agents” — software designed to carry out multi-step tasks with limited instructions — are emerging as the next battleground for consumer and business AI, and investors are looking for clear product paths rather than research demos. Manus markets itself as