Does Fed Chair Powell Think 'Irrational Exuberance' Is Back on Wall Street?

1. Powell compares current market to Dotcom Bubble, raising investor concerns. 2. Investors fear AI rally may be speculative rather than fundamentals-driven. 3. Market valuations noted as high but not yet indicative of a peak bubble. 4. AI may enhance corporate efficiency and contributes to high valuations. 5. Historical context warns of potential economic crises driven by asset bubbles.