If you are in the market for some excitement and exoticism in your boring old 401(k), then boy was this a good week of headlines for you. First there was Basic Capital building a product that allows leverage within 401(k)s, and then there was Empower beginning to...

Last week, I was listening to a podcast featuring one of my favorite financial writers, Morgan Housel, when he shared a moment that stuck with me. He recalled asking Daniel Kahneman—the renowned psychologist and co-recipient of the Nobel Prize in Economics—what trait matters most for...