• Rocket Lab ranked 7th in a list of space stocks billionaires are buying.
• The company's revenue reached $234 million in Q2, growing 62% year-over-year.
• Rocket Lab agreed to acquire Iridium Communications in a deal worth around $8 billion.
• The company's shares have plunged nearly 30% in the past month due to a rocket launch delay.

The investment in space stocks may indicate growing confidence in the sector's potential for long-term growth, which could benefit companies like Rocket Lab. The acquisition of Iridium Communications suggests a strategic move towards vertical integration, which may strengthen Rocket Lab's position in the market.