Check out the companies making the biggest moves premarket: Apple — Shares fell 0.6% even after after the company posted blowout fiscal first-quarter results , with notably strong revenue from its iPhone 17 models released in September. Apple earned $2.84 per share for the quarter, higher than the $2.67 per share expected by analysts surveyed by LSEG. Revenue came out at $143.76 billion, significantly exceeding analysts’ expectation of $138.48 billion. Overall iPhone revenue surged 23% on an annual basis to $85.27 billion in revenue. Chevron — The oil giant posted fourth-quarter earnings that topped analyst expectations thanks to record oil production . The company earned an adjusted $1.52 per share, beating an LSEG consensus of $1.45 per share. However, shares were down slightly in the premarket as revenue of $46.87 billion fell short of estimates. Sandisk — The data storage device manufacturer shared solid guidance, leading the stock to pop 22%. Sandisk sees fiscal third-quarter adjusted earnings ranging from $12 to $14 per share, versus the FactSet consensus for $5.11 per share. Second-quarter results also beat Wall Street estimates on the top and bottom lines. Visa — Shares of the financial giant slipped 1% despite strong fiscal first-quarter results. Visa earned $3.17 per share, on an adjusted basis, on revenue of $10.9 billion thanks to a jump in cross-border payments and payments volume. That came out higher than the $3.14 in earnings per share and $10.69 billion estimate from analysts polled by LSEG. Western Digital — The digital storage company saw shares rise about 1%. Western Digital provided a rosy forecast for the fiscal third quarter, calling for adjusted earnings of about $2.30 a share on revenue of roughly $3.2 billion. Analysts polled by LSEG sought $1.96 per share and $2.96 billion. Deckers Outdoor — The maker of Ugg Boots and Hoka sneakers saw shares surge 10.9% after issuing a 2026 outlook that surpassed Wall Street’s estimates. Deckers sees earnings for the period ranging from $6.80 to $6.85 per share on revenue of $5.4 billion to $5.43 billion. Analysts polled by LSEG were looking for $6.40 per share and $5.37 billion. Stryker — The medical equipment company climbed 1.6% after fourth-quarter results beat estimates. Stryker reported adjusted earnings of $4.47 per share, compared to the FactSet consensus of $4.40 per share. Revenue of $7.17 billion beat analysts’ call for $7.12 billion. KLA Corp . — The semiconductor equipment maker fell more than 7% after saying fiscal third-quarter earnings excluding one-time items would range between $8.30 and $9.86 per share, against the LSEG consensus estimate of $8.80. KLA pegged Q3 revenue at $3.2 billion to $3.5 billion versus the Street’s $3.25 billion. — CNBC’s Darla Mercado and Scott Schnipper contributed reporting.