SpaceX stock closed down 13.6% on Wednesday, a new all-time closing low. SpaceX said its Q2 overall capital expenditures came in at $18.37 billion, slightly below estimates for $18.58 billion. As for the quarter, SpaceX reported Q2 revenue of $7.8 billion versus $6.81 billion, per Bloomberg consensus, up sequentially from $4.7 billion in Q1. Musk added on the earnings call that Nvidia would be the exclusive supplier of chips for SpaceX's AI chip needs. Read more: SpaceX stock keeps sliding.