Why Rocket Lab First Popped, Then Dropped on Monday

Rocket Lab (RKLB 1.69%) stock started Monday strong as its shares gained nearly 6% on news of a successful end-of-year rocket launch, putting another Synspective synthetic aperture radar (SAR) satellite in Low Earth Orbit. The space stock retraced quickly and, as of 11 a.m. ET, all the gains had been erased, with the stock up only 0.1%.Still, the stock has more than quadrupled this year. Investors may believe Rocket Lab's run is done for now.Rocket Lab's 60% improvementOn Saturday, the company announced its ...