Supermicro and Arista Smash AI Infrastructure Expectations

Supermicro reported fiscal Q1 2027 earnings of $1.81 per share on sales of $19.95 billion, a 298% revenue surge that far exceeded Wall Street estimates of $1.23 per share and $17.35 billion. Its gross margin rose to 12.8%, up from 9.3% a year ago, and its stock gained over 6% after hours. Arista Networks posted Q3 revenue of $3.66 billion, up 58% year-over-year, beating estimates, with shares rising more than 9%. Both companies issued guidance well above analyst forecasts, signaling continued strong demand for AI data center infrastructure.