3 lessons from investing’s ‘moneyball’ moment

This year marks 100 years of research-quality U.S. stock market returns. How important is this centennial? The movie Moneyball provides a good example. 

The protagonist of the film, Oakland A’s General Manager Billy Beane, tries to field a championship contender with a tiny budget after many of his biggest stars signed with other teams. He finds his edge with data. It was an Oscar-winner starring Brad Pitt, but it also happened to be based on a true story, adapted from a book by Michael Lewis...