Concentration is a chief concern for investors allocating to the top-heavy tech sector. The technology sector’s current adjusted Herfindahl-Hirschman Index (HHI) level of 9.6 is in the 99th percentile of observations, according to S&P Dow Jones Indices. The long-term average adjusted HHI level is 4.9, highlighting the historically high levels of concentration that investors are currently facing. Adjusted [...] The post Tech Sector Concentration Reaches Historical High appeared first on ETF Trends .