A stock that pays no dividend will only reward you if its price appreciates. This, of course, is pure speculation -- a gamble on whether or not the company's ticker symbol will end in the green or red. Stocks with a long record of providing dividends, however, provide you with a slight assurance of a potential source of income.
The passive style of investing advocates present their case by stating that the markets are efficient. In other words, the vast majority of information that can be known is already in the market place and therefore there is no advantage to spending effort in researching stocks because there is little that is unknown about their prospects. I