Must-read business news, delivered every morning. : There’s new evidence out this week that investing in “good” companies—companies that treat workers well and strive to meet other social and environmental goals—leads to better returns. JUST Capital, the organization founded by billionaire hedge fund manager Paul Tudor Jones, tracked the 894 companies covered by its first ranking in 2016, and found that if you invested in the top 20% of those companies, you would have made an excess return—or alpha—of 3.5% last year. If you invested in the bottom 20, you would have had negative alpha of 7.1%.