Investing in equal parts of these three stocks produces an average dividend yield of 4.6%.With just one month left in the year, now is the perfect time for investors to conduct a portfolio review and update their watch lists for top stocks to buy now. But with the broader stock market indexes around all-time highs, it has become increasingly harder to scoop up shares of quality companies in the bargain bin.When stock prices outpace dividend growth rates, it pushes dividend yields down. In fact, the S&P 500 ...