Final answer:
The return on a share of stock consists of two principal yields: Dividend yield and capital gain yield.
Step-by-step explanation:
The return on a share of stock consists of two principal yields: 1) Dividend yield and capital gain yield. Dividend yield refers to the payments made by the company to its shareholders, while capital gain yield is the increase in the value of the stock when it is sold for more than its original price. These two forms of returns provide investors with a potential source of income and profit.