Check out the companies making the biggest moves premarket: SpaceX — The Elon Musk-led rocket company fell 11% after releasing its first quarterly report since going public in June . SpaceX reported capital expenditures of $18.37 billion in the second quarter, largely driven by artificial intelligence and up 550% from the year-ago period. Second-quarter revenue came in at $7.81 billion, topping an LSEG consensus of $6.93 billion. It also lost 9 cents per share, though it wasn't clear if that was comparable to an estimate of a 26 cent-per-share loss. Disney — The stock was up by more than 3%, despite the media giant reporting a mixed fiscal third quarter . While earnings per share came in above expectations, revenue missed slightly. Revenue for the company's experiences business, which includes its theme parks, was up 10% annually. Arista Networks — Shares gained 12% after second quarter results surpassed estimates. Adjusted earnings came in at $1.02 per share on revenue of $3.04 billion, versus the LSEG consensus estimate of 88 cents a share and $2.82 billion. Non-GAAP operating margins also beat estimates, as did third quarter guidance for profit and revenue. AMD — The chipmaker plunged 8.5% in premarket trading on the back of second-quarter results that failed to impress investors. The company earned an adjusted $1.66 per share on revenue of $11.54 billion. To be sure, those numbers were slightly ahead of LSEG consensus estimates. Q3 revenue guidance was about in line with expectations at $13 billion. Eli Lilly — The pharmaceutical giant jumped more than 6.5% after it reported an earnings and revenue beat in its second-quarter financial report . Eli Lilly also raised its full-year revenue guidance for 2026, as demand for its weight loss drug Zepbound and diabetes treatment Mounjaro continues to surge. Circle Internet Group — Shares were up more than 5% after the company named initial partners for its Arc blockchain for financial services . The company also doubled the midpoint of its full year other revenue guidance to $320 million from $160 million. Wynn Resorts – The casino operator saw shares jump 5%. Second-quarter adjusted earnings came in at $1.24 per share on revenue of $1.86 billion, beating the LSEG consensus calls for $1.11 per share and $1.84 billion. CVS Health — Shares were up over 2.5% after the company reported better-than-expected results on earnings and revenue . The company also increased its adjusted earnings per share guidance for 2026 to $7.90 to $8.10 from $7.30 to $7.50. Kratos Defense & Security Solutions — The maker of unmanned systems for the military rose 10% in premarket trading. Second-quarter revenue beat Wall Street analysts' estimates in all segments. Pinterest – The image-sharing platform slid nearly 9% after guidance failed to impress traders. Third quarter revenue is expected to range between $1.19 billion and $1.21 billion, inclusive of the FactSet consensus estimate of $1.2 billion. Second quarter results beat estimates on the top and bottom lines, however. DaVita — Shares fell over 5.5% despite the kidney dialysis provider reporting better-than-expected results for the second quarter. Full-year earnings guidance ranged from $14.10 to $15.20 per share on an adjusted basis, compared to the FactSet consensus call for $14.88 per share. Teradata — The cloud data analytics provider slumped 13% after third-quarter earnings guidance of 55 to 59 cents per share excluding one-time items trailed a Wall Street consensus estimate of 62 cents, according to FactSet data. Booking Holdings — The online travel site advanced more than 7% after second quarter gross bookings came in at $51 billion, surpassing the Street's estimate of $49.35 billion. Adjusted earnings of $2.54 per share and revenue of $7.35 billion topped the LSEG consensus call for $2.45 per share and $7.19 billion. Uber Technologies — Shares of the ridehailing company fell 3% after Uber's guidance for third-quarter bookings and earnings missed analysts' expectations. For the third quarter, Uber sees bookings of $59.25 billion at the middle of its range, falling below the consensus estimate of $59.33 billion, according to StreetAccount. — CNBC's Fred Imbert, Darla Mercado, Ananya Chetia, Tanaya Macheel and Scott Schnipper contributed reporting.