Top Big Cap Positive News Movers Premarket:  STUB: +8% Upgraded to BUY @ Citi  ONON: +6% signs Kylian Mbappé BRUN: +3% Talk initiated OUTPERFORM @ Northland  CAVA: +2.5% Announces a $100 Million Share Repurchase Program 18-SEP-2026 09:06 AM ET