Check out the companies making headlines in after-hours trading. Ambarella – Shares of the semiconductor design company rose 20% on the back of a rosy outlook. Umbrella is calling for revenue of $76 million to $80 million in the fourth quarter, while analysts polled by LSEG expected $69 million. Adjusted revenue and earnings for the third quarter also topped Street expectations. CrowdStrike – Shares fell 3 percent after the cybersecurity company issued a disappointing fourth-quarter outlook. For the current quarter, CrowdStrike is expected to earn between 84 cents and 86 cents per share, compared to the consensus estimate of 86 cents per share, per LSEG. However, third-quarter revenue and earnings topped Wall Street expectations. Dell Technologies – The stock fell more than 10% on the heels of the company posting weaker-than-expected earnings for the fiscal third quarter. Dell posted revenue of $24.37 billion for the period, below the $24.67 billion that analysts had forecast, according to LSEG. Adjusted earnings, however, beat Wall Street expectations. HP – Shares fell 7% after the personal computing company offered lower-than-expected revenue guidance for the first quarter of fiscal 2025. HP is expected to earn between 70 cents and 76 cents excluding items, while analysts polled by FactSet were expecting 85 cents per share for the period. Autodesk – Shares fell more than 9% as the software company’s forecast failed to impress investors. Autodesk is calling for fourth-quarter earnings of $2.10 to $2.16 per share, excluding items on revenue of $1.623 billion to $1.638 billion. Analysts polled by LSEG were looking for earnings per share of $2.12 and revenue of $1.62 billion. The company also named Janesh Morjani as Chief Financial Officer, effective December 16. Urban Outfitters reported adjusted earnings of $1.10 per share on revenue of $1.36 billion, topping the consensus estimate of 86 cents per share and LSEG’s revenue of $1.34 billion. Nutanix – The cloud infrastructure company saw its shares rise 5% after offering upbeat guidance for the current quarter. Nutanix sees revenue between $635 million and $645 million in the fiscal second quarter, compared to the consensus estimate of $631 million, according to LSEG. Workday – The stock fell 10 percent after the human resources software company announced that its subscription revenue and its operating margin came in lower than expected for the fourth quarter. Workday forecast $2.025 billion in subscription revenue and an operating margin of 25% for the period, while analysts polled by StreetAccount estimated $2.04 billion in subscription revenue and an operating margin of 25.5%. Nordstrom – The clothing retailer fell less than 1% after the company issued a modest full-year sales forecast. Nordstrom sees revenue growth of flat to 1% for the full year. This compares with the previous guidance range which called for a 1% decline to 1% growth. Third-quarter revenue topped analysts’ estimates, coming in at $3.46 billion, versus an estimate of $3.35 billion per LSEG. — CNBC’s Darla Mercado contributed reporting.