Some investors assume that at this time of year, it's the summer doldrums for the stock market. After all, as the saying goes: "Sell in May, go away."But that's not really the case with dividend stocks. During the last few weeks, many major corporations have been reporting dividend raises. Stockpickr has reviewed the recent dividend declarations and compiled a list of the top dividend-raisers for the week. To read more, visit Stockpickr.com.