DAILY SITUATION RECAP: US GDP growth is >0.3pp greater than expected, Claude solves another big math problem, Nvidia announces SpaceXAI collab + Groq 3 LPX production, SEC investigating Situational Awareness Epoch AI argues that US GDP growth is understated by 0.3pp due to the blind spot around the value that Nvidia and other US firms create by designing chips to be manufactured and sold abroad. This underestimation could grow if Nvidia’s earnings keep growing at their current pace. 0.3…