It is hard to find high yields in a raging bull market, but it isn't impossible. Here are three that are just waiting to be added to your portfolio.Do you have some money in your pocket, say $500 (or more), just waiting to be put to work in the market? If you are an income investor that may be a problem, since the raging bull market has left the average stock yield at painfully low levels. The S&P 500 index's yield is a miserly 1.3%! Don't fret; there are still plenty of attractive yield options out there, ...