Rocket Lab (RKLB)’s shares soared over 100% since mid-May, driven not only by consistent revenue growth but also by a near doubling in investor optimism.JIUQUAN, CHINA - SEPTEMBER 29: A Long March 2F rocket carrying the country's first space laboratory module Tiangong-1 lifts off from the Jiuquan Satellite Launch Center on September 29, 2011 in Jiuquan, Gansu province of China. The unmanned Tiangong-1 will stay in orbit for two years and dock with China's Shenzhou-8, -9 and -10 spacecraft with the eventual ...