System1 is trading 7.70% up at $4.12 after MapQuest surpassed 2 million new iOS and Android users during the week ended September 8, 2026.
- The company said the surge carried MapQuest to the No. 1 overall free-app position.
- The announcement arrived at 9:00 AM, providing a likely company-specific catalyst as broader U.S. markets traded lower.