The goal of the Boulder Sector Fundamentals team is to help you get underneath the headlines to the S&P 500 companies driving a sector ETF. While a sector ETF may include another 20+ companies, the S&P 500 components provide the liquidity and biggest moves. So if you’re looking for multi-year growth driven by Trump’s military buildup, you need to know whether the move will come from the entire sector or just a few companies. In our demo example, the Aerospace and Defense Se