Jun 2, 2021 9:38AM EDT Credit: Getty images O ne of the things that a couple of decades in dealing rooms around the world taught me was that no matter where you were, traders and markets always overreact. That was true in the short-term, where the first few minutes of reaction to a news story or data release is usually followed by a retracement, and in a longer-term sense, where trends in traded securities often continue way past their logical endpoint. That trend overreaction has been evident for a while now in one particular area of the market, Chinese internet…