From market cap to ETF weightings, these visuals show how much the Magnificent 7 shape today’s market. Vikki Velasquez is a researcher and writer who has managed, coordinated, and directed various ...

WSJ Buy Side is The Wall Street Journal’s research and commerce team. Our commerce content is distinct from our newsroom coverage. We earn a commission from some links in our articles. Learn more.

There comes a time before every big purchase when you might ask yourself, “Do I really need this?” If you don’t pause for a moment — and if you tend to blow your budget as a result — then you need to ...