Corporate America is getting more concentrated. The country’s largest internet retailer just acquired its largest standalone organic grocer, and two of its largest aviation-parts makers plan to merge. From health insurance to internet search, fewer companies control more of their markets. That can be good: size and scale can enable companies to reduce costs, invest in better products and compete globally. But a provocative new study...

Source: Wall Street Journal August 30, 2017 15:56 UTC