Stocks making the biggest moves midday: GE HealthCare Technologies, Bloom Energy, Seagate, Teradyne, & more

Here are the stocks making headlines in midday trading. Regeneron — The biotech stock slid nearly 6% after the company reaffirmed its full-year forecast for adjusted gross margin on net product sales of 83% to 84%. Regeneron also said that its board authorized a new $3 billion share repurchase program. GE HealthCare Technologies — Shares tumbled 12% after the company dialed back its forecast for full-year adjusted earnings. …