Updates

** Shares of SpaceX SPCX.O rise 16.4% to $187.41, building on strong momentum following IPO debut on Friday

** The stock jumped 19% on Friday, propelling the rockets-to-AI firm to a valuation of more than $2 trillion, making it the sixth-most valuable U.S. company

** SPCX says underwriters had exercised the "greenshoe" option to purchase additional shares, increasing the total proceeds from its initial public offering to $85.7 billion from $75 billion that it raised last week

** CEO Elon Musk says in an X post that co could generate $1 trillion in annual revenue by 2030, compared with $18.7 billion reported last year

** Stock set for fast-track inclusion in the Nasdaq 100, with additional FTSE Russell and MSCI index additions later in June

** More than $940 million worth of SPCX shares exchange hands by 05:41 a.m. ET, already topping Nvidia, Microsoft and Tesla combined