Ziff Davis, Inc. ZD

Business services providers thrive by solving complex operational challenges for their clients, allowing them to focus on their secret sauce. These firms have helped their customers unlock huge efficiencies, so it’s no surprise the industry has posted a 21% gain over the past six months, beating the S&P 500 by 4.1 percentage points.

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What a fantastic six months it’s been for Ziff Davis. Shares of the company have skyrocketed 94.3%, hitting $54.44. This was partly thanks to its solid quarterly results, and the run-up might have investors contemplating their next move.