Stocks making the biggest moves midday: Snap, McCormick & Co, Rocket Lab, Apellis, Marvell & more ○ found 2026 › Mar › 31 (Tue) @ 17:16 UTC a story from CNBC ⚠️ › Top News McCormick ■■ Rocket Lab ■■ Apellis ■■ Marvell ■■ preview sentiment