Check out the companies making headlines before the bell: Oracle — The database software company slid roughly 7% after posting fiscal second-quarter earnings and revenue that lagged analysts' estimates. Oracle also issued guidance for the current quarter, calling for revenue growth of 7% to 9% and adjusted earnings of $1.50 to $1.54 per share, saying foreign exchange rates will hurt revenue by 2% and knock earnings per share by 3 cents. MongoDB — The database platform tumbled 7% after Chief Financial Officer and Chief Operating Officer Michael Gordon stepped down effective Jan. 31. However, the stock posted a fiscal third-quarter earnings and revenue beat and raised its fourth-quarter forecast. MongoDB now expects its adjusted earnings to come in between 62 cents and 65 cents per share, higher than the consensus of 58 cents per share, according to LSEG. The firm also guided for revenue between $515 million and $519 million, against the expected $509 million. Alaska Air Group — The Seattle-based carrier guided Q4 results higher and set a $1 billion buyback, sending the stock 11% higher. Alaska Airlines, which is also planning new nonstop flights next year to Tokyo and Seoul from Seattle, expects profits to grow by $1 billion through 2027. American Airlines — The Fort Worth-based legacy carrier gained nearly 3% following an upgrade at Bernstein to outperform from market perform. The firm said the improving industry backdrop and American Airlines' new credit card deal improves the outlook. C3.ai — The enterprise artificial intelligence software company rose 2% after reporting a fiscal second-quarter adjusted loss of 6 cents, smaller than the loss of 16 cents per share analysts polled by LSEG had estimated. Revenue of $94 million also topped a $91 million consensus forecast. Braze — The customer engagement platform shed nearly 4% after third-quarter earnings and revenue beat Street expectations, while non-GAAP gross margin narrowed to 70.5% from 71.4% a year ago. Braze, which had rallied 21% over the past month going into the results, also posted a range for its fourth-quarter revenue that encompassed Wall Street's estimate of $155.2 million. HealthEquity — Shares fell 6% after the health savings account custodian forecast revenue of between $1.275 billion and $1.295 billion for the fiscal year ending Jan. 31, 2026, lower than the $1.32 billion analysts had estimated, according to FactSet. Toll Brothers — Shares of the homebuilder fell 4% after a key profit margin missed expectations. Toll's unadjusted homebuilding gross margin was 26.0% in the fourth quarter that ended Oct. 31, below the 26.5% expected by analysts, according to FactSet, and down from 27.5% a year earlier. eBay — The e-commerce stock slipped 3% following a downgrade to underperform from hold at Jefferies. Analyst John Colantuoni said decelerating advertising revenue and a China slowdown could weigh on future growth. Centene — The health insurer dropped nearly 2% after Jefferies downgraded Centene to underperform, citing health insurance exchange, or HIX, concerns as a catalyst. Analyst David Windley wrote that CNC's HIX premiums doubled from 2021 and 2024, and he sees an "unwind of this high and profitable growth as the near-term and long-term regulatory environment becomes more hostile." Pinterest — The online image platform saw shares decline more than 2% in early trading after Piper Sandler downgraded to neutral from overweight. The Wall Street firm moved to the sidelines following two quarters of mixed results, while its advertising survey showed stiff competition. CoreCivic — Shares gained 2.9% after Wedbush Securities upgraded the private prison operator to outperform from neutral, saying the mass deportations promised by President-elect Donald Trump are a positive. "We now believe that the need for incremental [Immigration and Customs Enforcement] beds could be even higher than previously expected, and that this need for beds could result in a reactivation of the lost South Texas contract," analyst Brian Violino wrote. Norwegian Cruise Line — Shares climbed 3.2% on the back of a Goldman Sachs upgrade to buy from neutral. Goldman said the Miami-based cruise line has improved as a business and deserves a higher price-to-earnings multiple. — CNBC's Michelle Fox, Alex Harring, Yun Li, Sarah Min, Jesse Pound and Pia Singh contributed reporting.
