Premarket movers: Mag 7 stocks are mixed (Nvidia +0.6%, Amazon +0.2%, Microsoft +0.2%, Alphabet +0.07%, Apple -0.04%, Meta -0.4%, Tesla -0.2%) Astera Labs (ALAB) falls 11% after the semiconductor manufacturing company reported its fourth-quarter results. It also announced that its chief financial officer would retire. Beta Technologies (BETA) climbs 18% after http:/Amazon.com Inc. disclosed a stake in the electric-powered aircraft manufacturer. Centrus Energy (LEU) falls 8% after the uranium company’s fourth-quarter earnings per share fell short of analyst estimates, with Citi pointing to higher-than-expected capex spending. Cloudflare (NET) gains 14% after the software company’s fourth-quarter results beat expectations and it gave a bullish revenue forecast. Humana (HUM) falls 6% after forecasting full-year profit that fell short of Wall Street’s expectations, adding to investor concerns about the challenges facing the US health-insurance industry. Kraft Heinz (KHC) falls 6% after pausing work on its planned separation as new Chief Executive Officer Steve Cahillane works to improve results. Lattice Semiconductor (LSCC) rises 11% after the semiconductor device company gave a first-quarter revenue forecast that was much stronger than expected. Lyft (LYFT) falls 17% after issuing a disappointing forecast that missed Wall Street expectations, a sign that its global expansion and new product offerings are not performing as quickly and as well as anticipated. Mattel (MAT) slumps 26% after the toymaker’s 2026 adjusted earnings-per-share forecast missed the average analyst estimate, triggering a downgrade at JPMorgan. Moderna (MRNA) falls 10% after US regulators refused to review its novel mRNA flu vaccine, dealing a major blow to the company as it seeks to expand beyond its Covid shot. Rapid7 (RPD) falls 22% after the software company’s outlook was seen as disappointing. Analysts cited weakness in annual recurring revenue as a concern. Robinhood (HOOD) declines 7% after the fintech company reported net revenue for the fourth quarter that missed the average analyst estimate. Teradata (TDC) gains 15% after the database management company reported fourth-quarter results that beat expectations and gave an outlook for adjusted earnings that is stronger than expected. Vertiv Holdings (VRT) rises 13% after the power equipment company forecast adjusted earnings per share for the first quarter; the guidance beat the average analyst estimate.