Check out the companies making the biggest moves in midday trading: Dominion Energy — Shares popped more than 9% after NextEra Energy announced a deal to acquire the company in an all-stock transaction. NextEra said the combination of the two companies will create the world’s largest regulated electric utility business. NextEra shares were down about 5%. Viking Holdings — The cruise line’s stock rose nearly 2% after receiving an upgrade from Wells Fargo to overweight. The firm cited stronger-than-expected bookings and resilient demand despite fears associated with the ongoing U.S.-Iran war. Advanced bookings for 2027 already have risen 31% from the prior year, Wells Fargo said. Viking stock has outperformed other cruise lines since the Middle East conflict began. Mobileye — Shares of the maker of advanced driver assistance technology fell almost 8% after shares were initiated at an underperform rating at Jefferies. The analyst, who has a $8 price target for the stock, warned Mobileye is facing heighten competitive pressure and is already pricing in upside from improved autonomy systems. Cognizant Technology Solutions — Shares of the artificial intelligence tech services provider rose nearly 7% after it doubled its share repurchase target for this year. The company now plans to buy back about $2 billion of its own stock in 2026. Boston Scientific — Shares rose more than 3% on plans for a $2 billion a …