Insight Enterprises, Inc. (NASDAQ:NSIT) shares have had a horrible month, losing 28% after a relatively good period beforehand. The last month has meant the stock is now only up 5.1% during the last year.

After such a large drop in price, Insight Enterprises may be sending bullish signals at the moment with its price-to-earnings (or "P/E") ratio of 16.5x, since almost half of all companies in the United States have P/E ratios greater than 20x and even P/E's higher than 36x 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 limited.

With earnings growth that's superior to most other companies of late, Insight Enterprises has been doing relatively well. It might be that many expect the strong earnings performance to degrade substantially, which has repressed the P/E. If not, then existing shareholders have reason to be quite optimistic about the future direction of the share price.

If you'd like to see what analysts are forecasting going forward, you should check out our free report on Insight Enterprises.

How Is Insight Enterprises' Growth Trending?

In order to justify its P/E ratio, Insight Enterprises would need to produce sluggish growth that's trailing the market.

Taking a look back first, we see that the company grew earnings per share by an impressive 17% last year. The strong recent performance means it was also able to grow EPS by 59% in total over the last three years. Therefore, it's fair to say the earnings growth recently has been superb for the company.

Turning to the outlook, the next year should bring diminished returns, with earnings decreasing 4.0% as estimated by the five analysts watching the company. That's not great when the rest of the market is expected to grow by 15%.

In light of this, it's understandable that Insight Enterprises' P/E would sit below the majority of other companies. However, shrinking earnings are unlikely to lead to a stable P/E over the longer term. There's potential for the P/E to fall to even lower levels if the company doesn't improve its profitability.

The Final Word

Insight Enterprises' P/E has taken a tumble along with its share price. While the price-to-earnings ratio shouldn't be the defining factor in whether you buy a stock or not, it's quite a capable barometer of earnings expectations.

As we suspected, our examination of Insight Enterprises' analyst forecasts revealed that its outlook for shrinking earnings is contributing to its low P/E. At this stage investors feel the potential for an improvement in earnings isn't great enough to justify a higher P/E ratio. It's hard to see the share price rising strongly in the near future under these circumstances.

Don't forget that there may be other risks. For instance, we've identified 1 warning sign for Insight Enterprises that you should be aware of.

If these risks are making you reconsider your opinion on Insight Enterprises, explore our interactive list of high quality stocks to get an idea of what else is out there.

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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.