Check out the companies making headlines before the bell. Snowflake – The cloud data company slumped after posting disappointing product revenue guidance for the first quarter and announcing that CEO Frank Slootman is stepping down. Snowflake said it expects product revenue to oscillate between $745 million and $750 million in the current period, below the $759 million analysts polled by StreetAccount. Morgan Stanley also downgraded the cloud stock to equal weight. C3.ai — The artificial intelligence software surged more than 15% on robust revenue. C3.ai posted a narrower-than-expected adjusted loss per share of 13 cents. Revenue also exceeded expectations. Salesforce — Salesforce slipped less than 1%. The software giant beat Wall Street’s fiscal fourth-quarter expectations but offered a lighter-than-expected revenue forecast for the new fiscal year. The company said it expects single-digit revenue. Okta – The identity management company grew more than 25% on the back of a stronger-than-expected quarter and outlook for the current period. Okta said it expects revenue between $603 million and $605 million, beating a FactSet estimate of $583.8 million. Bank of America twice upgraded shares to buy. Duolingo — Shares surged 20% after the education technology company reported fourth-quarter earnings and revenue that beat analysts’ expectations. Duolingo posted earnings of 26 cents per share on revenue of $151 million, higher than the 17 cents per share on revenue of $148 million that analysts polled by LSEG had expected. The company also reported strong first- and full-year revenue forecasts. Birkenstock – Shares rose more than 3% in premarket trading after the shoe retailer posted revenue of 303 million euros for its fiscal first quarter, which was bigger than the 288.7 million euros expected by analysts, according to LSEG. Earnings for the same period fell short of expectations at 4 euro cents per share versus the estimated 9 euro cents per share. AMC Entertainment – Shares of AMC Entertainment shed more than 10%. The cinema’s shares exceeded Wall Street’s earnings estimates but posted a larger than expected loss of 83 cents per share. Paramount Global – Shares moved 2% higher a day after the media company reported a surprise profit for the fourth quarter. Paramount’s earnings per share came in at 4 cents, versus the 1 cent loss expected by analysts polled by LSEG. On Tuesday, sources told CNBC that Warner Bros. Discovery is no longer seeking to merge with Paramount. Figs – Shares of the apparel company slipped 16% after fourth-quarter sales fell short of expectations and an announcement that the chief financial officer was leaving in April. Figs reported $145 million in revenue for the fourth quarter. Analysts polled by LSEG had written off $150 million. The company said earnings were hurt in part by an accounting change related to customers in Canada. Celsius – The energy drink maker shed 4.4% despite a stronger-than-expected earnings report. Celsius posted 17 cents in earnings per share on $347.4 million in revenue for the fourth quarter. Both figures topped the consensus estimates of analysts polled by LSEG, which put per-share earnings at 15 cents and revenue at $331.5 million. Best Buy – Shares jumped 2.6% after the consumer electronics retailer reported quarterly results that beat analyst expectations. In its fourth quarter, Best Buy posted adjusted earnings of $2.72 ex-items per share, greater than the $2.52 estimated by analysts surveyed by FactSet. Revenue of $14.65 billion topped the FactSet consensus estimate of $14.56 billion. Nutanix – The cloud computing stock rose 4% after beating Wall Street’s quarterly estimates. Nutanix posted earnings of 46 cents per share on revenue totaling $565 million. Pure Storage – Pure Storage rallied more than 9% on stronger-than-expected fourth-quarter earnings and upbeat first-quarter guidance. The data storage company posted earnings of 50 cents per share on $790 million in revenue. HP – Shares fell 2.2% after the tech company missed first-quarter earnings estimates, with slower demand in the PC or PC market affecting HP as customers delay system upgrades and cut spending. — CNBC’s Alex Harring, Tanaya Macheel, Michelle Fox, Lisa Han, Jesse Pound, Sarah Min and Pia Singh contributed reporting.