Stocks making the biggest moves midday: Rocket Lab, Trump Media, Lululemon, Micron Technology & more
Here are some of the stocks making headlines in midday trading.

TL;DR
- Rocket Lab shares jumped nearly 8% after launching a mission for U.S. Space Force ahead of schedule.
- GE Vernova rose nearly 4% following an upgrade from Jefferies, citing demand for power infrastructure.
- Micron Technology shares surged over 11% on a strong revenue forecast and better-than-expected fiscal first-quarter results.
- Trump Media soared 33% after announcing a $6 billion all-stock merger with fusion power company TAE Technologies.
- Tech stocks, including Alphabet, Amazon, Nvidia, Microsoft, and Meta Platforms, climbed roughly 2%.
- Lululemon gained more than 6% as activist investor Elliott Management took a significant stake.
- FactSet Research Systems sank more than 7% due to lower-than-expected free cash flow and operating cash flow.
- Birkenstock shed 9% on disappointing fiscal 2026 earnings guidance.
- Lennar shares fell more than 2% after mixed fiscal fourth-quarter results and a downgrade from Evercore ISI.