Zacks Investment Ideas highlight Constellation Energy (CEG), Microsoft (MSFT), and Quanta Services, Inc. (PWR) as top S&P 500 stocks to buy before earnings. Constellation Energy is down 30% from October highs but still up 220% in the past three years, offering potential upside. Quanta Services has surged 75% in the past year and is poised for further growth in the energy infrastructure sector.

Constellation Energy stock, a nuclear energy leader, is down 33% from October peaks, presenting a buying opportunity. The company’s partnerships with Microsoft and Meta in the AI energy sector position it for growth. Constellation’s recent acquisition of Calpine further solidifies its role in the AI energy age.

Quanta Services, an energy infrastructure titan, is experiencing rapid growth driven by AI energy trends and grid expansion. The company’s revenue and earnings have seen significant growth over the past five years. Quanta’s outlook remains strong, with projected revenue and earnings growth in the coming years.

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Read more at Nasdaq: Zacks Investment Ideas feature highlights Constellation, Microsoft and Quanta Services