With August arriving, investors should assess whether their portfolios are missing any stocks. Despite the market's strong year, there are still plenty of stocks that are worth buying at today's prices.

If you want to grow your portfolio in August, I've got four names that investors should consider.

Taiwan Semiconductor (NYSE: TSM) is probably one of the top five most vital companies in the world. Its cutting-edge technology allows it to manufacture microscopic chips at a scale nobody else can match. Because it is a contract manufacturer, it makes chips for nearly every company involved with advanced technology, like and Nvidia.

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Source Fool.com