The SPX taps yet another new all-time high as all major indices but the $DJI closed higher. Tesla (TSLA) gave markets a boost through its rally despite posting lackluster vehicle deliveries. Microsoft (MSFT) made multiple headlines off reports of the company curbing A.I. chip ambitions, paired with another layoff. Centene (CNC) collapsed to near-decade lows after curbing its full-year guidance. Alex Coffey gives investors insight into the day's biggest market movers.