Let’s check out the companies that are becoming a hot topic for after-hours trading. Ambarella – Shares of this semiconductor design company soared 20% on the back of a rosy outlook. Ambarella expects fourth-quarter sales of $76 million to $80 million, compared with analysts’ estimates compiled by LSEG of $69 million. Adjusted earnings and revenue in the third quarter also exceeded Street expectations. CrowdStrike – Shares fell 3% as the cybersecurity company released disappointing fourth-quarter guidance. For the current quarter, CrowdStrike expects earnings of 84 cents to 86 cents per share, compared to LSEG’s consensus estimate of 86 cents per share. However, third-quarter earnings and sales exceeded Wall Street expectations. Dell Technologies – Shares fell more than 10% after the company reported lower-than-expected fiscal third-quarter earnings. Dell posted sales of $24.37 billion in the same period, less than the $24.67 billion expected by analysts, according to LSEG. However, adjusted earnings beat Wall Street expectations. HP – Shares fell 7% after the personal computing company provided a weaker-than-expected earnings outlook for the first quarter of 2025. HP expects earnings excluding items to be between 70 cents and 76 cents, while analysts surveyed by FactSet had expected 85 cents a share for the same period. Autodesk – Shares fell more than 9% after the software company’s forecasts did not impress investors. Autodesk expects fourth-quarter earnings to be between $2.10 and $2.16 per share, excluding items, on revenue of $1.623 billion to $1.638 billion. Analysts polled by LSEG had expected earnings of $2.12 per share and revenue of $1.62 billion. The company also appointed Janesh Moorjani as chief financial officer, effective December 16. Urban Outfitters – Shares rose 3% after the retailer’s better-than-expected third-quarter results. Urban Outfitters reported adjusted earnings of $1.10 per share and revenue of $1.36 billion, compared with consensus estimates of 86 cents per share and revenue of $1.34 billion, according to LSEG. It exceeded $1,000. Nutanix – The cloud infrastructure company saw its stock rise 5% after giving an upbeat outlook for the current quarter. Nutanix expects fiscal second-quarter revenue to be in the range of $635 million to $645 million, while the consensus estimate per LSEG is for $631 million. Workday – Shares fell 10% after the human resources software company announced lower-than-expected fourth-quarter subscription revenue and operating margins. Workday had expected subscription revenue of $2.025 billion and operating margin of 25% for the period, but analysts surveyed by StreetAccount expected subscription revenue of $2.04 billion and operating margin of 25%. The profit margin is 25.5%. Nordstrom – The clothing retailer was down less than 1% after it released modest full-year sales forecasts. Nordstrom expects full-year sales growth to be in the range of flat to 1%. This compares with the previous guidance range, which called for 1% decline to 1% growth. Third-quarter sales exceeded analysts’ expectations, coming in at $3.46 billion, compared to LSEG’s estimate of $3.35 billion. — CNBC’s Darla Mercado contributed reporting.