Rocket Lab (NASDAQ: RKLB) could be called the poster child for these wild gyrations in space stocks. Should you buy shares of Rocket Lab below $70? Should you buy Rocket Lab while it's below $70? With a falling share price, you might think that Rocket Lab now trades at a reasonable price relative to its growth potential. However, as with many space economy stocks, shares of Rocket Lab seem to have gotten well ahead of themselves in the last few years.