Some smart beta ETFs include a relatively small number of stocks, and these may be concentrated in just a few sectors. (moneysense.ca)
Non-diversified funds that focus on a relatively small number of stocks tend to be more volatile than diversified funds and the market as a whole. (fidelity.com)
Chilean stocks rose because labor's savings were being channeled into a rather small number of stocks in the large companies controlled by the oligarchy. (michael-hudson.com)