The bottom line, then, is that you should start by thinking of your assets as a single portfolio and keep your number of individual holdings to a minimum. (moneysense.ca)
It has recently been hurt by its exposure to financials and some other individual holdings in the consumer sector. (moneysense.ca)
Given that technology and internet companies have come to dominate market - cap weighted indexes, a 10 % restriction on individual holdings is a necessity for real diversification. (etfbase.com)