This is The Takeaway from today's Morning Brief, which you can sign up to receive in your inbox every morning along with: What we're watching What we're reading Economic data releases and earnings Call it a market of micro-manias. From AI spending to crypto, gold, fake meat to donuts, and even margin debt, pockets of froth are bubbling up across financial markets. But unlike past boom-and-bust cycles, today's excesses haven't punctured the broader rally — at least not yet. Ed Yardeni, market veteran ...