A sleepy trading day ended with the SPX closing at an all-time high while the NDX rallied more than 1%. Supermicro (SMCI) led the SPX after an independent special committee found no evidence of fraud in the company's management. Meanwhile, Intel's (INTC) CEO will step down after its stock slipped more than 60% since he took the job. ZScaler (ZS) traded down despite reporting a postmarket earnings beat. Alex Coffey breaks down the biggest stories of the day.