Silicon Laboratories Inc. (NASDAQ:SLAB) Stock Rockets 33% As Investors Are Less Pessimistic Than Expected

Silicon Laboratories Inc. (NASDAQ:SLAB) shareholders would be excited to see that the share price has had a great month, posting a 33% gain and recovering from prior weakness. Longer-term shareholders would be thankful for the recovery in the share price since it's now virtually flat for the year after the recent bounce.

Following the firm bounce in price, Silicon Laboratories' price-to-earnings (or "P/E") ratio of 69.9x might make it look like a strong sell right now compared to the market in the United States, where around half of the companies have P/E ratios below 16x and even P/E's below 9x are quite common. Nonetheless, we'd need to dig a little deeper to determine if there is a rational basis for the highly elevated P/E.

With earnings that are retreating more than the market's of late, Silicon Laboratories has been very sluggish. One possibility is that the P/E is high because investors think the company will turn things around completely and accelerate past most others in the market. If not, then existing shareholders may be very nervous about the viability of the share price.

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Is There Enough Growth For Silicon Laboratories?

There's an inherent assumption that a company should far outperform the market for P/E ratios like Silicon Laboratories' to be considered reasonable.

If we review the last year of earnings, dishearteningly the company's profits fell to the tune of 2.1%. This has erased any of its gains during the last three years, with practically no change in EPS being achieved in total. Accordingly, shareholders probably wouldn't have been overly satisfied with the unstable medium-term growth rates.

Shifting to the future, estimates from the ten analysts covering the company suggest earnings growth is heading into negative territory, declining 217% over the next year. With the market predicted to deliver 10% growth , that's a disappointing outcome.

In light of this, it's alarming that Silicon Laboratories' P/E sits above the majority of other companies. Apparently many investors in the company reject the analyst cohort's pessimism and aren't willing to let go of their stock at any price. Only the boldest would assume these prices are sustainable as these declining earnings are likely to weigh heavily on the share price eventually.

The Bottom Line On Silicon Laboratories' P/E

Shares in Silicon Laboratories have built up some good momentum lately, which has really inflated its P/E. Typically, we'd caution against reading too much into price-to-earnings ratios when settling on investment decisions, though it can reveal plenty about what other market participants think about the company.

We've established that Silicon Laboratories currently trades on a much higher than expected P/E for a company whose earnings are forecast to decline. When we see a poor outlook with earnings heading backwards, we suspect the share price is at risk of declining, sending the high P/E lower. This places shareholders' investments at significant risk and potential investors in danger of paying an excessive premium.

You should always think about risks. Case in point, we've spotted 2 warning signs for Silicon Laboratories you should be aware of, and 1 of them is a bit concerning.

Of course, you might find a fantastic investment by looking at a few good candidates. So take a peek at this free list of companies with a strong growth track record, trading on a low P/E.

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.