It is possible to earn excellent returns in the stock market without taking big risks. It's often the best -- and, therefore, lowest-risk -- businesses that generate the highest long-term returns for their investors.

To help you in your search for these fortune-builders, here are three stalwart companies that can help you protect and grow your wealth.

Diverse revenue streams and a fortress-like balance sheet make (NASDAQ: MSFT) one of the least risky investments in the tech world. The software giant holds lucrative positions in key markets like computer operating systems, productivity apps, and cloud computing. Yet it's Microsoft's formidable presence in artificial intelligence (AI) that has investors most excited.

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Source Fool.com