SpaceX stock slides back to IPO levels as investors question its multi-trillion-dollar valuation despite strong Wall Street buy ratings and growth forecasts.

Elon Musk's rocket company made its debut on the Nasdaq 100 index on Tuesday, weeks after raising $85.7 billion in the largest IPO in history.

Wall Street banks have high hopes for SpaceX but at the moment shares of Elon Musk’s rocket market appear to be earthbound.