Super Micro Computer's (SMCI) upbeat second-quarter earnings report provided a positive read-through for partner Nvidia (NVDA), analysts say. Supermicro stock jumped on Wednesday while Nvidia also advanced. The Q2 report from Supermicro "is almost a direct read-through for Nvidia," Daniel O'Regan, managing director of equity trading for Mizuho Securities USA, said in a client note. "They take Nvidia's chips, integrate…