The ex dividend date is the final date on which the new stock buyer couldn’t receive the next dividend. If you like to receive the dividend, you need to buy the stock before the ex dividend date. I made a little screen of the best yielding stocks with a higher capitalization that have their ex date on the next trading day.
A full list of all stocks with payment dates can be found here: Ex-Dividend Stocks April 16, 2013. In total, 3 stocks and preferred shares go ex dividend - of which 2 yield more than 3 percent. The average yield amounts to 6.25%.