Shares fell by as much as 7% during volatile trading - after they had been up by 6% earlier in the session. They eventually closed almost 5% lower.

Shares fell by as much as 7% during volatile trading - after they had been up by 6% earlier in the session. They eventually closed almost 5% lower.

SpaceX shares experienced their first decline since their IPO on Wednesday, ending a three-day rally that briefly surpassed Amazon's valuation. The stock saw significant intraday…