STGW ▲ +1.3% - Stagwell Inc. $STGW - Stagwell (STGW) Strengthens Assembly Leadership with Two Key CEO Appointments Stagwell appointed two new CEOs to strengthen leadership at Assembly, one of its operating companies, which drove investor confidence in the marketing holding company's strategic direction. The stock rose 1.3% on the announcement of the organizational moves, suggesting the market viewed the leadership additions as a positive step for the division's operations and growth. 14-SEP-2026 11:20 AM ET