Check out some of the companies making the biggest moves midday: Staar Surgical — The implantable eye lens maker ripped 45% higher after agreeing to be bought by Alcon for $28 per share in cash, valuing Staar at about $1.5 billion. The deal is expected to close in the next six to 12 months. DigitalOcean — The software stock rallied 27% on better-than-expected second-quarter results. DigitalOcean also raised its full-year revenue and earnings guidance. Coinbase — The crypto exchange dropped more than 5% after selling $2 billion in convertible senior bonds. Lattice Semiconductor — The semiconductor maker surged 9.5% after second-quarter revenue came in at $124 million, topping the consensus forecast for $123.7 million from analysts polled by FactSet. Earnings per share, excluding one-time items, matched expectations for the quarter at 24 cents per share. UFP Technologies — The medical components manufacturer surged 11% after posting second-quarter adjusted earnings of $2.50 per share, better than the $2.25 per share estimated by analysts surveyed by FactSet. Revenue of $151.2 million =fell short of an expected $151.6 million. Palantir Technologies — The defense technology stock jumped 6.8% after quarterly revenue exceeded $1 billion for the first time and it raised full-year guidance. Palantir now anticipates revenue for the year to range between $4.142 billion and $4.150 billion, up from prior guidance of between $3.89 billion and $3.90 billion. Second-quarter earnings and revenue also topped expectations. Pfizer — The drugmaker rose 3.6% after raising its guidance in the wake of second-quarter earnings and revenue that topped analysts' estimates. Pfizer now expects full-year adjusted earnings between $2.90 and $3.10 per share versus previous guidance of between $2.80 and $3 per share. Yum Brands — The KFC, Taco Bell and Pizza Hut parent dropped nearly 4% after second-quarter results missed expectations . Adjusted earnings of $1.44 per share were 2 cents below the LSEG consensus estimate, while revenue of $1.93 billion lagged the $1.94 billion expected by analysts. Eaton — The power management company dropped 6% after issuing weak third-quarter guidance. Eaton anticipates adjusted earnings of $3.01 to $3.07 per share, while analysts polled by LSEG expected $3.09 per share. Second-quarter earnings and revenue topped expectations. BP — U.S.-listed shares of the U.K.-based oil producer, formerly British Petroleum, added 3% after BP's quarterly profit beat expectations . Dupont De Nemours — The chemical maker rose 3.3% after second-quarter adjusted earnings of $1.12 per share exceeded the $1.06 per share expected by analysts polled by LSEG. Revenue of $3.26 billion was above the $3.24 billion consensus estimate. Duke Energy — The Charlotte-based utility rose 1.1% after second-quarter adjusted earnings of $1.25 per share exceeded the $1.18 per share analysts surveyed by FactSet had penciled in. Duke Energy also reaffirmed its full-year adjusted earnings guidance of between $6.17 and $6.42 per share versus FactSet's consensus analyst estimate of $6.32. Lemonade — The insurance company soared 29% after issuing better-than-expected full-year guidance. Lemonade expects revenue between $710 million and $715 million, up from a prior forecast of between $661 million and $663 million. Hims & Hers Health — The telehealth company pulled back 8% after second-quarter revenue of $545 million missed estimates from analysts polled by LSEG that called for $552 million. The company's forecast for third-quarter earnings before interest, taxes, depreciation and amortization, or EBITDA, of $60 million to $70 million also missed analysts' forecasts of $77 million. Axon Enterprise — The maker of tasers and other police products climbed 14% after second-quarter earnings beat Street expectations and it raised full-year financial guidance. Axon earned $2.12 per share, excluding one-time items, on $669 million in revenue, while analysts surveyed by FactSet had estimated $1.45 per share on $641 million in revenue. For the full year, Axon sees revenue ranging between $2.65 billion and $2.73 billion, up from an earlier outlook for $2.60 billion to $2.70 billion and analysts' consensus estimate of $2.66 billion. Syndax Pharmaceuticals — Shares soared more than 16% after the biopharmaceutical company's second-quarter revenue beat analysts' expectations. Syndax also posted a narrower-than-expected loss per share. Gartner — The tech-focused advisory firm plunged nearly 30% after issuing disappointing guidance. For the full year, Gartner sees adjusted earnings of at least $11.75 per share and revenue of at least $6.455 billion. Analysts polled by FactSet were looking for $12.48 per share in earnings and $6.57 billion in revenue. — CNBC's Darla Mercado, Lisa Han and Alex Harring contributed reporting.
