SA analyst upgrades/downgrades: NVDA, UNH, CLSK, CAT
Seeking Alpha analysts upgraded CleanSpark (CLSK) and Caterpillar (CAT) due to positive outlooks, while downgrading Nvidia (NVDA) and UnitedHealth (UNH) citing growth risks. CLSK's upgrade follows a $6.6B lease for AI infrastructure. CAT was praised for strong Q2 results and execution. NVDA's downgrade cited inventory and supply constraints.



