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 it

See Full Page