New Delhi, April 24 -- The much-anticipated IPO of SpaceX is already generating buzz for good reason. With the business spanning rockets, satellite business and artificial intelligence, the company sits at the intersection of most futuristic industries and has no peers.

Add to the mix its founder and CEO Elon Musk, who is also the world's richest man, and the listing will undoubtedly be the most-talked-about market event in recent years.

But while excitement runs high, valuation guru Aswath Damodaran is urging caution. His view is that, undoubtedly, SpaceX is a great company, but not a great investment at any price.

Market chatter pegs SpaceX's valuation at a whopping $1.75-2 trillion, making it the world's most-expensive IPO in histor...