S&P 500 sales growth is at a nearly 5-year high. Here’s what’s behind the surge.

Energy companies in the S&P 500 have put up a 42. 5% revenue gain in the second quarter, powering the index’s sales performance.

Source: [MarketWatch](https://www.marketwatch.com/story/s-p-500-sales-growth-is-at-a-nearly-5-year-high-heres-whats-behind-the-surge-a4ccf06d?mod=mw_rss_topstories)