Rocket Lab stock is enjoying a growth spurt, and investors are cheering.Rocket Lab USA (RKLB 4.37%) stock -- what else? -- rocketed on Wednesday morning, soaring 7.2% through 9:45 a.m. ET after releasing multiple positive pieces of PR.The least interesting of these is that Rocket Lab signed a "preliminary memorandum of terms" with the Commerce Department yesterday, which could see the company awarded up to $23.9 million in direct funding under the CHIPS and Science Act.Why is a rocket company getting semico ...