Anyone who's done a group project in school knows the usual dynamic: A couple of overachievers drive the bus, while other, more passive team members hitch a ride. Everyone gets the same grade. The division of labor is unspoken and largely accepted. A similar dynamic has played out in the stock market in recent years. In this analogy, the Magnificent 7 are the overachievers. And while stock returns were starting to broaden to other sectors before the Iran war, the market's recent V-shaped jag