X-energy stock pops 27% on first day of trading following upsized IPO

X-energy’s stock popped today in its debut on the Nasdaq , opening at $30.11 before closing at $29.20, up 27% over its initial public offering of $23 per share. Investors can’t get enough nuclear power, apparently. Even the initial share price had been revised upward from the $16 to $19 target floated by the company during its investor roadshow. At close, the company was valued at $11.5 billion. Just five years ago, such interest in a nuclear startup would have come as a surprise to many. …