Check out the companies making headlines in after-hours trading: Arista Networks — Shares of the cloud computing stock slid 7%. First-quarter revenue narrowly beat LSEG consensus estimates, coming in at $2.00 billion, versus the $1.97 billion the Street expected. Adjusted earnings also beat estimates, landing at 65 cents per share, compared to the 59 cents per share analysts sought. Super Micro Computer — Shares slid about 5% after the server maker missed expectations for the third fiscal quarter and gave a weak outlook for the current three-month period. Super Micro reported earnings 31 cents per share, excluding items, and $4.60 billion in revenue. Analysts polled by LSEG called for 50 cents in earnings per share and $5.42 billion in revenue. Advanced Micro Devices — The chipmaker surged nearly 4% on the back of a stronger-than-predicted earnings report for the first quarter. AMD reported earnings of 96 per share, excluding items, on revenue of $7.44 billion, while analysts had penciled in 94 cents in earnings per share and $7.13 billion in revenue. Wynn Resorts — Shares of the casino operator fell 2%. First-quarter adjusted earnings came in at $1.07 per share on revenue of $1.70 billion. The result fell short of LSEG consensus estimates for $1.19 per share in earnings and $1.74 billion in revenue. Electronic Arts — The video game publisher advanced 5% after fiscal fourth-quarter adjusted revenue topped Wall Street’s estimates. The company posted adjusted revenues , also known as bookings, of $1.80 billion, while analysts polled by LSEG sought $1.56 billion. Electronic Arts also issued a strong forecast for bookings guidance for fiscal 2026. Sarepta Therapeutics — The biopharmaceutical stock tumbled 23%. Despite first-quarter revenue coming in ahead of LSEG’s consensus forecast, the company said it faced headwinds during the period and was cutting its full-year revenue guidance. Upstart Holdings — The artificial intelligence lending marketplace’s stock plunged 17%. The company issued revenue guidance for the current quarter and full year that only narrowly surpassed Wall Street estimates. Upstart did beat analysts’ expectations on both lines for the first quarter, however. — CNBC’s Darla Mercado contributed reporting.