Oil prices have rallied more than 40% this year. Fueling that surge has been improving demand from the reopening of the economy and constrained supplies as OPEC and other producers hold back output. Those strong market fundamentals have fueled a huge rally in oil stocks. The average energy stock in the S&P 500 is up more than 45% this year, compared to a roughly 12% gain for the broad market index. 
Oil stocks could have more fuel to continue their market-crushing performance since the industry…

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