Although we don't believe in timing the market or panicking over market movements, we do like to keep an eye on big changes -- just in case they're material to our investing thesis.

What: Shares of human resources company 51job (Nasdaq: JOBS) rose 20% today after releasing second-quarter earnings.

So what: Management said that revenue rose 8.4% to $56.7 million and income from operations increased 8.8% to $18.6 million, or $0.66 per share on an adjusted basis. Analysts only expected earnings per share of $0.57.

Now what: The company is still struggling with economic uncertainty in China, but the results were up nonetheless. Management said that third-quarter revenue would be between $55.9 million and $58.2 million and earnings per share would be $0.61-$0.66, both above analyst estimates. I'm still wary of China's economy so I'm not buying in today, but the results are encouraging for shareholders.

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