SST ▲ +13.5% - System1, Inc. $SST - MapQuest Tops the Charts at No. 1 Overall Free App in the U.S. and Canada Apple App Stores System1's MapQuest app claimed the No. 1 position among free apps in the U.S. and Canada Apple App Stores, a milestone that likely drove investor optimism about the company's digital reach and user acquisition. The 13.5% gain reflects market enthusiasm for evidence of strong traction in System1's core consumer-facing product. 01-SEP-2026 11:38 AM ET