In this month's Confluence Mailbag, Bill O'Grady and Mark Keller examine what Iran's shift to yuan-denominated oil transactions means for the dollar's reserve currency status and why viable alternatives remain elusive. They assess widespread concerns around private credit, weigh the broader economic ramifications of the Iran conflict — including the collapse of just-in-time inventory thinking — and close with a discussion of whether the rotation away from mega-cap growth stocks still has legs.