AI funding spree shows signs of strain: higher borrowing costs, SpaceX sell-off

Investor risk awareness grows around massive bond, share offerings

SpaceX's market capitalization ballooned to $3 trillion after its initial public offering, but its shares have since slumped. © Reuters

NEW YORK -- As big U.S. tech companies scramble for billions of dollars to fund their race for AI dominance, the bullish investors that had fed this appetite are beginning to seem less confident about the outlook.