Check out the companies making the biggest moves in pre-market trading: Palantir Technologies – Defense Technology stocks rose 6.8%, raising full-year guidance after quarterly revenues exceeded $1 billion for the first time. Palantir currently expects annual revenue to increase from $4.142 billion to $4.15 billion, ranging from the previous $3.89 billion. Second quarter revenue and revenue surpassed expectations. Pfizer – The stock rose 1.7% after drug makers raised guidance and second quarter revenue and revenue rose analyst estimates. Pfizer currently expects annual adjusted revenues of $2.90 to $3.10 per share, against guidance of $2.80 to $3 per share. Yum Brands – Shares fell 1.7% after missing second-quarter forecasts for parents of KFC, Taco Bell and Pizza Hut. Adjusted earnings of $1.44 per share were less than two cents from the LSEG consensus estimate, but revenues of $1.93 billion delayed the analysts’ forecast of $1.94 billion. Eaton – After issuing weak guidance in the third quarter, the power management company fell 3%. Eaton expects adjusted earnings of $3.01 to $3.07 per share, while analysts voted by LSEG are forecasting $3.09 per share. Second quarter revenue and revenue surpassed expectations. BP – The U.S.-based stocks registered in the UK-based oil giant have added 1.7% after BP’s quarterly profit exceeded expectations. Dupont de Nemours – Chemical makers rose 5.6% after second-quarter adjusted revenue of $1.12 per share exceeded the expected $1.06 per share for analysts voted by LSEG. Revenue of $3.26 billion exceeded the consensus estimate of $3.24. Duke Energy – Charlotte-based utility rose 1.5% after its second-quarter adjusted revenue of $1.25 per share exceeded $1.18 per share, as FactSet examined. Duke Energy reaffirmed its annual adjusted profit guidance between $6.17 per year and $6.42 for $6.42 for $6.42 for $6.42 for $6.42 for $6.42 for $6.42. Lemonade – Insurance stocks rose 7% as second quarter revenues were $164.1 million, according to Factset. Lemonade also reported a narrower loss than expected per share. HIMS & HERS HEALTH – TeleHealth Company pulled back pigeons nearly 12% after second-quarter revenues that missed out on a $545 million estimate from analysts voted by LSEG for $552 million. The company’s third quarter EBITDA forecast ranged from $60 million to $70 million, but also missed analyst forecasts of $77 million. Axon Enterprise – Makers of Tasers and other police products rose 8% after revenue in the second quarter won street expectations and triggered full-year financial guidance. Axon won $2.12 per share, excluding one-off items. Analysts surveyed by FactSet estimated $1.45 per share at $641 million. Syndax Pharmaceuticals – Stocks skyrocketed over 15% after expectations from Biopharmaceutical Company’s second quarter revenue beat analysts. SynDax also recorded a smaller loss than expected per share. Zebra Technologies – Mobile computing company rose 7% after adjusting its second-quarter earnings of $3.61 per share. It was expected to earn $1.29 billion. Mercadolibre – Latin American e-commerce platform fell 6% after second quarter revenues missed expectations. According to figures compiled by Factset, Mercadolibre has earned compared to a consensus estimate of $10.31 per share and $11.93 per share. —CNBC’s Alex Hurling, Lisa Han, Sarah Minh and Brian Evans contributed the report.