KEY TAKEAWAYS Rocket Lab USA shares popped Friday, a day after the company posted record revenue and a narrowing of its second-quarter loss. The aerospace company reported a 71% year-over-year rise in revenue and a net loss of $41.6 million, both better than analysts' estimates, and projected Q3 revenue between $100 million and $105 million. Rocket Lab also announced that it successfully hot fired its Archimedes rocket engine, which will be used in the company's medium-lift rocket, Neutron. Rocket Lab USA ( ...