Check out the companies making headlines in extended trading. Gap — The apparel stock plummeted more than 16% as lackluster second-quarter revenue guidance overshadowed an earnings beat for Q1. Gap expects Q2 revenue to remain about flat year over year. Analysts expected a forecast calling for a slight gain. Costco — The wholesale retailer reported quarterly results that beat analyst expectations, yet shares were little changed. The company earned $4.28 per share on revenue of $63. 2 billion. Analysts expected a profit of $4.24 per share on revenue of $63.19 billion. Same-store sales growth and gross margins were above estimates as well. Dell Technologies — Shares of the technology company gained more than 5% after first-quarter revenue surpassed analyst estimates. Dell reported revenue of $23.38 billion, while analysts polled by LSEG called for $23.14 billion. The company also raised its full-year earnings guidance. Ulta Beauty — The cosmetics company advanced more than 8% on first-quarter results that topped analyst expectations. Ulta reported earnings per share of $6.70 on revenue of $2.84 billion. Analysts polled by LSEG were looking for earnings of $5.81 per share and $2.80 billion. American Eagle Outfitters — The clothing retailer pulled back more than 8%. American Eagle's first-quarter adjusted loss per share of 29 cents overshot an LSEG estimate for a loss of 22 cents per share. Elastic NV — The software stock slipped more than 11% after the company's full-year revenue outlook missed analyst estimates. Elastic expects full-year revenue in the range of $1.655 billion to $1.67 billion. Analysts anticipated an outlook of $1.68 billion, per FactSet. PagerDuty — The cloud computing stock declined more than 6% after the company's second-quarter earnings outlook missed analyst estimates. PagerDuty forecast second-quarter earnings per share in the range of 19 cents to 20 cents, excluding items, while analysts surveyed by FactSet were looking for profit guidance of 23 cents per share. Zscaler — Shares climbed more than 4% after the cybersecurity company posted fiscal third-quarter earnings and revenue that beat expectations. Zscaler also issued better-than-expected fiscal fourth-quarter earnings and revenue guidance. UiPath — The automation software company climbed more than 11% after the its second-quarter revenue guidance easily surpassed analyst estimates. UiPatth sees second-quarter revenue in the range of $345 million to $350 million, while analysts polled by FactSet were expecting $331.3 million. NetApp — Shares of the data infrastructure company pulled back 6% its first-quarter earnings outlook missed what analysts were expecting. NetApp expects first-quarter earnings per share in the range of $1.48 to $1.58, while analysts polled by FactSet forecast $1.65 per share — CNBC's Fred Imbert contributed reporting
