Rocket Lab (RKLB) stock jumps, then slips after hours — what Wall Street is watching next
New York, January 12, 2026, 18:37 EST — After-hours Rocket Lab Corp (RKLB.O) shares rose 3.6% on Monday to close at $87.91 and were last down about 0.4% in after-hours trading by 6:18 p.m. ET, when extended-hours trading can be thin and jumpy. The stock swung between $83.49 and $88.81 in the session, with about 21.9 million shares traded, according to market data. (Investing.com) The move keeps Rocket Lab in the “space-defense” bucket for a lot of investors, not just the small-rocket trade. That matters now because bigger government programs can reshape revenue mix — and they can also reshape