News Snapshot:
No matter the industry, the best companies have a key similarity that makes them worth owning over the long term. You’re reading a free article with opinions that may differ from The Motley Fool’s Premium Investing Services. Become a Motley Fool member today to get instant access to our top analyst recommendations, in-depth research, investing resources , and more. Learn More This article was originally published on Fool.com. All figures quoted in US dollars unless otherwise stated. The stock market sell-off has compressed the valuations of good and bad businesses alike. All three major indexes -- the S&P 500, the...