SpaceX shares turned negative for the second day as they closed 3.56% lower at $185, taking the two-day losses to 8.32%. The shares have swung 23.72% since their listing last Friday, from their $225.64 high on June 16 to their $172.11 low on June 18, wiping off investor wealth worth $700 billion. SpaceX's market value now sits at $2.42 trillion.