With a price-to-earnings (or "P/E") ratio of 22.2x Laboratory Corporation of America Holdings (NYSE:LH) may be sending bearish signals at the moment, given that almost half of all companies in the United States have P/E ratios under 16x and even P/E's lower than 9x are not unusual. Although, it's not wise to just take the P/E at face value as there may be an explanation why it's as high as it is.

With earnings that are retreating more than the market's of late, Laboratory Corporation of America Holdings has been very sluggish. It might be that many expect the dismal earnings performance to recover substantially, which has kept the P/E from collapsing. If not, then existing shareholders may be very nervous about the viability of the share price.

See our latest analysis for Laboratory Corporation of America Holdings

Is There Enough Growth For Laboratory Corporation of America Holdings?

There's an inherent assumption that a company should outperform the market for P/E ratios like Laboratory Corporation of America Holdings' to be considered reasonable.

Taking a look back first, the company's earnings per share growth last year wasn't something to get excited about as it posted a disappointing decline of 40%. That put a dampener on the good run it was having over the longer-term as its three-year EPS growth is still a noteworthy 17% in total. So we can start by confirming that the company has generally done a good job of growing earnings over that time, even though it had some hiccups along the way.

Shifting to the future, estimates from the analysts covering the company suggest earnings should grow by 14% per year over the next three years. Meanwhile, the rest of the market is forecast to expand by 12% per year, which is not materially different.

With this information, we find it interesting that Laboratory Corporation of America Holdings is trading at a high P/E compared to the market. Apparently many investors in the company are more bullish than analysts indicate and aren't willing to let go of their stock right now. These shareholders may be setting themselves up for disappointment if the P/E falls to levels more in line with the growth outlook.

The Bottom Line On Laboratory Corporation of America Holdings' P/E

Generally, our preference is to limit the use of the price-to-earnings ratio to establishing what the market thinks about the overall health of a company.

Our examination of Laboratory Corporation of America Holdings' analyst forecasts revealed that its market-matching earnings outlook isn't impacting its high P/E as much as we would have predicted. Right now we are uncomfortable with the relatively high share price as the predicted future earnings aren't likely to support such positive sentiment for long. This places shareholders' investments at risk and potential investors in danger of paying an unnecessary premium.

Before you settle on your opinion, we've discovered 3 warning signs for Laboratory Corporation of America Holdings that you should be aware of.

It's important to make sure you look for a great company, not just the first idea you come across. So take a peek at this free list of interesting companies with strong recent earnings growth (and 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.