Last Wednesday I watched AVGO crater and drag everything down with it. MU dropped 7.7%. AMD fell 3.56%. My portfolio looked like a crime scene. But here's what I learned: not every name in a sector is connected the same way, and moomoo's Industry Chain feature makes that stupidly clear. Picture this — you open any industry and get a full visual map organized into tiers. I spent an hour in the Commercial Space chain and it's genuinely im...