Rocket Lab (RKLB) Stock News Today: Neutron “Hungry Hippo” Milestone, Launch Updates, and Analyst Forecasts (Dec. 12, 2025)
Rocket Lab shares jumped 10.4% to $63.53 on December 11, 2025, after the company announced its Neutron “Hungry Hippo” fairing passed qualification testing. Trading volume surged to 31 million shares, about 50% above average. The milestone clears the way for Neutron’s first launch campaign in Virginia. Extended-hours trading saw the stock at $61.81 early December 12.