The U.S. economy is great by this measure, and the good times aren’t over. So why are Americans so sour?

A once-in-a-generation investment boom has created lots of winners — but many Americans are feeling left out.

Source: [MarketWatch](https://www.marketwatch.com/story/the-u-s-economy-is-great-by-this-measure-and-the-good-times-arent-over-so-why-are-americans-so-sour-4be897db?mod=mw_rss_topstories)