S&P 500 Gains and Losses Today: Supermicro, Arista Networks, and Nvidia Lead Tech Selloff

1. S&P 500 fell 1.1% amid tech sector losses, impacting ANET. 2. Arista Networks (ANET) shares declined 6.1% as AI stocks faltered. 3. Nvidia faced concerns over AI chip sales, affecting related tech stocks. 4. Cintas reported strong earnings, highlighting industry acquisition benefits. 5. Market uncertainty and tariffs pressure tech performance and investor sentiment.