Nuclear energy stocks have become a Wall Street darling this year as the artificial intelligence (AI) boom spreads, leading to Big Tech searching for ways to meet its growing power demand. It should not come as a great shock then that AI helped power the S&P 500 Utilities index to all-time highs. This index is on track to outperform the S&P 500 equal-weighted index in 7 of the past 10 months, according to data compiled by Bloomberg. In addition, Vistra (VST), a nuclear power-related utility, recently surpassed Nvidia (NVDA) as the biggest gainer in the S&P 500 Index ($SPX) year to date. Nuclea…