New Delhi, July 15 -- SpaceX shares fell for a fourth-straight session on Wednesday, dropping below their $135 initial public offering price for the first time ever.

Shares dropped 1.7% to $134, falling below the $135 apiece IPO price and well below the all-time high of $225.64, which propelled the company's market valuation briefly above those of Silicon Valley giants Microsoft and Amazon .

The decline leaves investors who bought into the company at the IPO price sitting on paper losses for the first time, potentially testing confidence in the stock.

It also offers a reminder that Wall Street enthusiasm can cool quickly, even for a company with the size and scale of SpaceX, which raised around $85.7 billion and fetched a valuation of ...