Investors should never chase yield. Buying a dividend stock simply because it offers significantly higher-than-average yields will only set you up for problems. That’s because high-yield stocks often have problems. You can see why this is by looking at how yield is calculated.To find a dividend stock’s yield, you divide the amount of dividends per share a company pays by the stock’s price per share. So, if a stock’s price falls the yield rises. And of course, if a stock’s price is falling there could be som ...