The tech market's rally looks impressive on the surface, but dig deeper and you'll spot a real problem—most of the gains are funneling into just seven names: Alphabet, Amazon, Apple, Meta, Microsoft, Nvidia, and Tesla. Sounds familiar to crypto folks watching Bitcoin and Ethereum dominate altcoin season, right? The difference? Stock investors are starting to feel uneasy about this heavy concentration. When that much upside is concentrated in such a narrow basket, it doesn't just mean missed opportunities elsewhere—it signals potential fragility. One sharp move from any of these mega-caps could ripple through the entire portfolio logic. Investors who've ridden this wave are getting nervous wondering if the party's about to shift. Market concentration isn't new, but when it reaches these levels, it's worth paying attention. The broader indices might look fine, but the distribution underneath? That's where cracks can start to show.