ADP ▼ -1.2% - Automatic Data Processing, Inc. $ADP ADP - ADP Partners with AWS to Accelerate AI-Powered Innovation in Human Capital Management ADP shares fell 1.2% today despite announcing a partnership with Amazon Web Services to integrate AI-powered capabilities into its human capital management platform. The decline suggests investors may have viewed the announcement as priced in or focused on near-term execution risks rather than the long-term strategic benefits of the AWS collaboration. 08-SEP-2026 09:28 AM ET