Investors looking for stocks in the Electronics - Miscellaneous Products sector might want to consider either Flex (FLEX) or Rockwell Automation (ROK). But which of these two stocks presents investors with the better value opportunity right now? Let's take a closer look.

We have found that the best way to discover great value opportunities is to pair a strong Zacks Rank with a great grade in the Value category of our Style Scores system. The proven Zacks Rank emphasizes companies with positive estimate revision trends, and our Style Scores highlight stocks with specific traits.

Flex has a Zacks Rank of #2 (Buy), while Rockwell Automation has a Zacks Rank of #3 (Hold) right now. This system places an emphasis on companies that have seen positive earnings estimate revisions, so investors should feel comfortable knowing that FLEX is likely seeing its earnings outlook improve to a greater extent. But this is just one piece of the puzzle for value investors.

Value investors analyze a variety of traditional, tried-and-true metrics to help find companies that they believe are undervalued at their current share price levels.

The Style Score Value grade factors in a variety of key fundamental metrics, including the popular P/E ratio, P/S ratio, earnings yield, cash flow per share, and a number of other key stats that are commonly used by value investors.

FLEX currently has a forward P/E ratio of 15.98, while ROK has a forward P/E of 30.87. We also note that FLEX has a PEG ratio of 2.17. This metric is used similarly to the famous P/E ratio, but the PEG ratio also takes into account the stock's expected earnings growth rate. ROK currently has a PEG ratio of 3.03.

Another notable valuation metric for FLEX is its P/B ratio of 3. The P/B ratio pits a stock's market value against its book value, which is defined as total assets minus total liabilities. For comparison, ROK has a P/B of 8.93.

Based on these metrics and many more, FLEX holds a Value grade of A, while ROK has a Value grade of D.

FLEX is currently sporting an improving earnings outlook, which makes it stick out in our Zacks Rank model. And, based on the above valuation metrics, we feel that FLEX is likely the superior value option right now.

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