Group 1 - Elon Musk hinted at the potential for SpaceX to go public, expressing a desire for Tesla shareholders to invest in SpaceX stock [1][2] - Musk mentioned a "2500-shareholder threshold" that SpaceX would need to meet to become publicly traded, acknowledging the downsides of being a public company [3] - SpaceX recently updated its lunar mission timeline, emphasizing the importance of the Starship rocket for NASA's Artemis mission, which is designed to carry over 100 people [4] Group 2 - The update on SpaceX's lunar timeline followed comments from US Transportation Secretary and Interim NASA Administrator Sean Duffy, who criticized SpaceX's progress and suggested opening bidding to competitors like Blue Origin [5] - Jared Isaacman, CEO of Shift4 Payments Inc. and a close ally of Musk, was nominated again for the NASA Administrator position after a previous nomination was rescinded [6]