By Sam Collins of InvestorPlaceAugust began with a triple-digit gain for the Dow Jones Industrial Average as investors rushed to buy more speculative stocks, and the European and Chinese markets also made substantial gains. Yet, this euphoria was followed by disappointing earnings and worse-than-expected economic reports. In addition, there are a number of technical factors that cast doubt on the sustainability of the current rally. This means that investors should approach August with caution, selecting only the most technically sound stocks. Here is our list of the top stocks to buy for August.