Tim Cook spent part of July 30 thanking Apple shareholders at the end of what he confirmed would be his last earnings call as CEO. John Ternus takes over Sept. 1, and Cook moves to executive chairman.

I've noticed on several occasions that when a conversation is around transformational technology, the people closest to it speak about it with quiet, almost unsettling certainty. And then we have ...

A credit-market quirk forces institutional investors to sell bonds at a discount the moment they get downgraded, and one small ETF has spent a decade quietly collecting the difference while charging ...