New Delhi, June 12 -- SpaceX Inc.'s share price rose 11% in its Nasdaq debut on Friday, lifting its valuation to about $1.96 trillion as investors piled into the world's largest IPO and bought into Elon Musk's sprawling empire spanning rockets, satellite communications and AI to Wall Street.

The stock opened for trading at $150 compared with the IPO price of $135 per share.

The deal was being closely scrutinized because of the stakes for the IPO market, which some bankers said could face difficulties if SpaceX shares close below Thursday's pricing level.

With SpaceX widely viewed as a dress rehearsal for a new generation of mega-listings, market participants will also be watching for signals on investor appetite ahead of forthcoming IP...