Rocket Lab (RKLB) Stock After Hours Today (Dec. 15, 2025): Why Shares Fell After a Successful JAXA Launch—and What to Watch Before Tuesday’s Open
Rocket Lab USA, Inc. (NASDAQ: RKLB) is ending Monday’s session with a classic “good news, bad tape” setup: the company executed a high-profile mission milestone for Japan’s space agency—yet the stock slid hard during regular trading and softened further after the bell. As of late after-hours trading (timestamp shown at 18:05:01), RKLB was $54.55, down 1.55% after hours, after closing the regular session at $55.41, down 9.89% on the day. Investing.com Below is what moved the stock today, what the latest news and analysis said, how Wall Street’s forecast landscape looks heading into tomorrow, and the key catalysts investors will