Luckin Coffee is trading 6.45% down now at $33.96, with no confirmed company-specific catalyst identified for the September 4, 2026 decline.
- The latest notable company news was a September 1 authorization increase for its share-repurchase program from $300 million to $500 million, generally supportive rather than negative.
- The broader consumer-discretionary sector is higher, so sector strength does not explain the move.
- The decline warrants rechecking for delayed news.