Oil and gas stocks may be running out of steam.

That means a big shift in market leadership could be imminent. Over the past year, the Energy Select Sector SPDR ETF XLE has beaten all other industries and sectors, gaining 72%, in contrast to a 1.3% loss for the S&P 500 Index SPX. This ETF’s closest competitor, among the 10 major Select Sector SPDR ETFs, is the Utilities SPDR XLU, with a gain of 16.8%.

Not…