These dividend stocks offer the potential to produce big-time income streams.Dividend yields are historically low these days. The S&P 500 yields less than 1.2%, which is near its lowest level on record. Despite this, not all stocks offer low yields. Here are three dividend stocks with mega yields as high as 13.4%. Though these ultra-high-yielders carry higher risk profiles, they could provide investors with substantial income in the coming year. 1. A sky-high dividend yieldAnnaly Capital Management (NLY 2.0 ...