The Invesco Dynamic Software Portfolio ETF (PSJ) is an interesting spin on investing in the software sector. It’s an ETF that largely follows a momentum strategy for selecting software stocks to invest in. Expenses are on the high side for index ETFs, and historical relative performance versus other alternatives have been mixed. However, the software sector has attractive economics, and the fund's absolute returns have been stellar. We’ll go over how the ETF is constructed and what some other alternatives to the fund may be, but we’ll ultimately leave it up to investors