Rocket Lab Corporation (NASDAQ:RKLB) is one of the stocks Jim Cramer was focused on. Cramer said it is the “most visible” one among rocket ship companies. He commented: “What [are] examples of what speculation means?… There are many others that fit the pattern, and they’re all rocket ships. Oh, then there are the literal rocket ship companies. Rocket Lab, RKLB, is the most visible.” Stock market data showing an upward trajectory. Photo by Burak The Weekender on Pexels Rocket Lab Corporation (NASDAQ:RK ...