In the real world very few asset classes have a perfect positive correlation (+1), zero correlation (0), or perfect negative correlation -LRB--1). (arborinvestmentplanner.com)
The rising Chinese middle class, which, according to the author, «has relatively few asset classes to invest in», could decide to buy bitcoins, pushing its price upwards. (coinfox.info)
• The money manager should have a clear focus on very few asset classes. (toolsformoney.com)