Are we living through another stock market bubble? With headlines warning of “frothy markets” and “sky-high valuations,” it’s easy to feel like we’ve seen this movie before. But according to LPL Research, today’s AI-driven rally looks very different from the dot-com boom of the 1990s. In this week’s Fastest 4 Minutes in Finance, Scott Inman breaks down: How the AI revolution compares to the internet craze of the 90s Why today’s valuations, while high, are supported by stronger profits and real cash flow What history teaches us about staying disciplined through market highs The bottom line? Fear should never drive your investment decisions. A diversified portfolio and a written financial plan are your best defenses against market noise.